The scanner

The shelf, already read

The 75 topicals our skincare pages recommend, each with its published ingredient list read against the same library the label scanner uses. Lists were read from brand sites and retailer listings; where only retailer copy was available, the card says so. Devices and tools carry no ingredient list; their cards further down check the claims instead.

AHA + BHA exfoliant

good The Ordinary AHA 30% + BHA 2% Peeling Solution 23 ingredients · 15 in the library

Strong salicylic acid An oil-soluble exfoliant that gets into the pore.
Strong glycerin The workhorse humectant almost everything is built on.
Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium hyaluronate crosspolymer A crosslinked form of hyaluronic acid used to build gel texture and film on skin
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.

Not in the library yet (8): glycolic acid, aloe barbadensis leaf water, daucus carota sativa extract, cocamidopropyl dimethylamine, tartaric acid, tasmannia lanceolata fruit/leaf extract, trisodium ethylenediamine disuccinate, 12-hexanediol.

The claims, checked

The salicylic acid piece checks out: 2% sits right where the pore and texture studies were done. The AHA side is murkier because the label gives a combined 30% across four acids rather than a glycolic acid number on its own, so "comparable to a professional peel" is a bigger promise than what's disclosed can support. The brand's own warning about experienced users and compromised skin sits at odds with an "all skin types" pitch.

Partial “Improves skin texture, prevents pore congestion, and targets uneven skin tone” Salicylic acid sits at 2%, inside the 0.5-2% range our library ties to comedone and texture improvement. The AHA side is a blend (glycolic, lactic, tartaric, citric) labeled only as a 30% total, so the actual glycolic acid concentration doing the work is undisclosed.
Unsupported “Offers comparable results to professional acid peels without the downtime” No published study for this formula or this exact acid blend backs a head-to-head comparison with in-office peels; professional peels are typically done at higher, controlled concentrations under supervision, a different use case than a 10-minute at-home rinse-off.
Partial “32% total acid concentration (AHA 30% + BHA 2%)” The 2% salicylic acid figure is a real, checkable number and matches the OTC ceiling. The 30% AHA figure is a sum across four different acids, so it describes the blend rather than any single acid's tested concentration.
Unsupported “Suitable for all skin types” The brand's own product page restricts this to experienced users of acid exfoliation and states it should not be used on sensitive, peeling, or compromised skin, which contradicts a blanket all-skin-types claim.

List read from incidecoder.com/products/the-ordinary-aha-30-bha-2-peeling-solution-7. Claims read from The Ordinary's own product page (theordinary.com).

better Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant 7 ingredients · 5 in the library

Strong salicylic acid An oil-soluble exfoliant that gets into the pore.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.

Not in the library yet (2): methylpropanediol, camellia oleifera leaf extract.

The claims, checked

The 2% salicylic acid here sits right at the concentration the pore and texture studies actually used, so the unclogging and smoothing claims hold up. The wrinkle claim is the one that outruns the evidence: nothing in this formula or in the salicylic acid literature addresses wrinkle depth. "Radiant" is the kind of word a label reaches for once the real, narrower effect (smoother texture) has been said.

Partial “Rapidly unclogs pores” The formula carries 2% salicylic acid, the top of the range trials support for comedone reduction, but 'rapidly' overstates a timeframe the cited literature does not test.
Unsupported “Diminishes the appearance of wrinkles” Salicylic acid trials at 0.5% to 2% cover comedones and texture, not wrinkle depth or appearance; nothing in the formula targets collagen or fine lines.
Partial “Improves skin tone for smooth, radiant skin” Texture improvement from salicylic acid exfoliation is real at this concentration, but 'radiant' and general tone evenness go beyond what the exfoliation studies measured.

List read from incidecoder.com/products/paulas-choice-skin-perfecting-2-bha-liquid-exfoliant. Claims read from retailer and ingredient-database product copy (incidecoder); Paula's Choice brand page did not return usable content on this pass.

best Dr Dennis Gross Alpha Beta Universal Daily Peel 47 ingredients · 21 in the library

Strong salicylic acid An oil-soluble exfoliant that gets into the pore.
Strong glycerin The workhorse humectant almost everything is built on.
Strong ascorbic acid The most-studied topical antioxidant, and the least stable.
Strong retinol The reference topical for photoaging, a vitamin A derivative.
Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
Moderate camellia sinensis leaf extract A green tea leaf extract added as a polyphenol-rich antioxidant to protect skin from oxidative stress.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional potassium hydroxide A strong alkali used in small amounts to set a formula's pH or convert fatty acids into soap
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional benzoic acid A preservative and pH adjuster that keeps microbes from growing in the formula
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional sodium pca A salt of pyrrolidone carboxylic acid, part of skin's natural moisturizing factor, used as a humectant.

Not in the library yet (18): glycolic acid, hamamelis virginiana water, malic acid, achillea millefolium extract, chamomilla recutita flower extract, soy isoflavones, copper pca, zinc pca, alcohol, sodium bicarbonate, resveratrol, ubiquinone, achillea millefolium extract, soy isoflavones, leuconostoc/radish root ferment filtrate, copper pca, zinc pca, octoxynol-9.

The claims, checked

The two acids in this peel are well-studied exfoliants in general, but the brand never states what percentage of either one is in the bottle, so the pore and radiance claims can't be checked against the concentration ranges that trials actually used. The texture and tone claim has some real mechanism behind it. "Firmness" and the specific numbers quoted ("92% saw...") come from a small, unpublished in-house study rather than independent research.

Partial “Clinical results at home in 2 steps” Glycolic and salicylic acid are both real exfoliants, but the label discloses no concentration for either, so the formula cannot be matched against the trial ranges that back exfoliation claims.
Unverifiable “Boosts radiance and targets pores” Salicylic acid backs pore-clearing at 0.5% to 2%, but this product does not state its salicylic acid percentage, so the claim cannot be checked against that range.
Partial “Diminishes fine lines and evens tone and texture” AHA exfoliation plausibly improves texture and tone over time, but the fine-line and evenness claim also leans on retinol, ascorbic acid, and adenosine in the Step 2 formula, none of which are disclosed at a stated percentage.
Partial “Improves hydration and firmness” Glycerin and hyaluronic-adjacent humectants can support short-term hydration, but firmness is not something a leave-on acid-and-antioxidant peel has published evidence for.

Brand evidence: In-house clinical and consumer perception study, 28 participants (Unpublished, no outside review, and no acid concentrations reported alongside the results, so the study cannot confirm the specific claims it is used to sell.)

List read from incidecoder.com/products/dr-dennis-gross-alpha-beta-r-universal-daily-peel-step-1. Retailer copy only; not checked against the bottle. Claims read from Dr Dennis Gross brand product page (drdennisgross.com).

Barrier moisturizer

good CeraVe Moisturizing Cream 23 ingredients · 18 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Moderate ceramide ap A lab-made ceramide that mimics the skin's own barrier lipids in a moisturizer.
Moderate ceramide eop A lab-made lipid that mimics skin's own ceramides, used to reinforce the moisture barrier
Moderate sodium hyaluronate A humectant that holds water at the surface.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional sodium lauroyl lactylate Anionic surfactant and emulsifier made from lactic acid and lauric acid, stabilizes formulas.
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional phytosphingosine A naturally derived sphingoid lipid used to support and mimic skin barrier structure.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel

Not in the library yet (5): ceteareth-20, petrolatum, potassium phosphate, behentrimonium methosulfate, dipotassium phosphate.

The claims, checked

The barrier claim holds up. This cream carries the ceramide-cholesterol-phytosphingosine combination that the published literature on barrier repair actually studied, at ratios similar to what those trials used. The 'MVE Delivery Technology' language for '24-hour hydration' rests on a proprietary carrier CeraVe doesn't detail, so there's no way to check that timeframe against outside evidence. 'Non-comedogenic' and 'fast-absorbing, non-greasy' read more like formulation description than tested claims, given petrolatum and dimethicone sit near the top of the ingredient list.

Supported “Helps restore and maintain the skin's protective barrier” The formula carries three ceramides (NP, AP, EOP) plus cholesterol and phytosphingosine, the lipid combination that published ceramide-blend studies tie to reduced transepidermal water loss and better barrier function in dry skin.
Unverifiable “MVE Delivery Technology gives long-lasting, 24-hour hydration” MVE is a proprietary multivesicular emulsion carrier and the brand does not disclose the release-rate data behind the 24-hour figure, so the timeframe cannot be checked against independent evidence.
Unverifiable “Non-comedogenic, won't clog pores” No published comedogenicity testing for this specific formula is available, and the ingredient list (petrolatum, dimethicone, cetyl alcohol) includes occlusives with mixed comedogenicity ratings depending on grade and concentration, neither of which is disclosed.
Partial “Rich, fast-absorbing, non-greasy texture” This is a sensory formulation claim rather than a tested outcome; petrolatum and dimethicone sit high on the ingredient list, which typically gives a richer, more occlusive feel than the 'fast-absorbing' wording suggests.

List read from incidecoder.com/products/cerave-moisturizing-cream. Retailer copy only; not checked against the bottle. Claims read from CeraVe's own product page for Moisturizing Cream.

better Naturium Plant Ceramide Rich Moisture Cream 34 ingredients · 15 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional butyrospermum parkii butter Fat pressed from shea tree nuts, used as an emollient and thickener for texture and softening.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional phospholipids Lipid molecules, often lecithin-derived, used as an emulsifier and skin-conditioning agent.
Functional palmitic acid A saturated fatty acid, naturally found in skin, used as an emollient and cleansing base.
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.

Not in the library yet (19): oleic/linoleic/linolenic polyglycerides, ethylhexyl olivate, behenyl alcohol, c12-16 alcohols, hydrogenated olive oil decyl esters, isostearyl alcohol, c13-15 alkane, butylene glycol cocoate, crambe abyssinica seed oil, microcrystalline cellulose, linoleic acid, linolenic acid, oryza sativa bran extract, ethylcellulose, helianthus annuus extract, sphingolipids, caprylhydroxamic acid, sodium phytate, rosmarinus officinalis leaf extract.

The claims, checked

The barrier language leans on phospholipids and sphingolipids that are real but undisclosed in amount, so it lands as directionally true rather than proven as worded. The hydration claim holds up better on the strength of glycerin and the emollient base than on the hyaluronic acid, which appears too low on the list to carry much weight. The "clinically proven" firmness and wrinkle claim is the weakest link: the study behind it is not published, and the formula has no ingredient with independent evidence for that effect.

Partial “Helps restore and support skin's natural moisture barrier” Phospholipids and sphingolipids sit high enough on the ingredient list to matter, and plant lipid blends like oleic/linoleic/linolenic polyglycerides support barrier lipids, but the formula names no isolated ceramide (NP, EOP, AP) with disclosed concentration, so it borrows the mechanism of ceramide-blend studies without matching them ingredient for ingredient.
Partial “Immediate and all-day hydration” Glycerin near the top of the list backs the immediate part, but sodium hyaluronate sits near the end of the ingredient list with no disclosed percentage, so the all-day claim rests more on the emollient base (shea butter, squalane) sealing water in than on any measured hydration actives.
Unverifiable “Clinically proven to improve skin firmness and the look of fine lines and wrinkles” Naturium cites an 8-week in-house study but does not publish sample size, methodology, or results, and the formula carries no retinoid, peptide, or other ingredient with published firming evidence, so the claim cannot be checked against either the study or the ingredient list.
Unverifiable “Second skin technology mimics the stratum corneum for enhanced biocompatibility” This is a proprietary marketing term with no disclosed composition or ratio behind it, so there is nothing in the ingredient list to check it against.
Partial “Relieves dry, dull skin” Shea butter and squalane are well characterized emollients for dry skin, but nothing in the formula addresses dullness specifically, so that half of the claim has no ingredient to point to.

Brand evidence: Naturium 8-week in-house clinical study (unnamed, unpublished) (Used to back both the barrier and firmness claims, but with no published sample size or measurements, it cannot be matched to either claim's specific wording.)

List read from incidecoder.com/products/naturium-plant-ceramide-rich-moisture-cream. Retailer copy only; not checked against the bottle. Claims read from Naturium's own product page for Plant Ceramide Rich Moisture Cream.

best Dr. Dennis Gross Advanced Retinol + Ferulic Intense Wrinkle Cream 63 ingredients · 24 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong retinol The reference topical for photoaging, a vitamin A derivative.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional butyrospermum parkii butter Fat pressed from shea tree nuts, used as an emollient and thickener for texture and softening.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional sodium hyaluronate crosspolymer A crosslinked form of hyaluronic acid used to build gel texture and film on skin
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.

Not in the library yet (39): methyl glucose sesquistearate, diisostearyl malate, caprylyl caprylate/caprate, bakuchiol, ferulic acid, nephelium lappaceum leaf extract, oenothera biennis oil, ceramide ng, emblica officinalis fruit extract, silybum marianum extract, prunus amygdalus dulcis oil, jojoba esters, soy isoflavones, saccharide isomerate, hippophae rhamnoides fruit oil, centella asiatica extract, ursolic acid, camellia japonica seed oil, helianthus annuus seed oil, arnica montana flower extract, salix alba bark extract, pyrus malus fruit extract, hydrolyzed sodium hyaluronate, glycine soja oil, sodium acetylated hyaluronate, hydrolyzed soy protein, sodium stearoyl glutamate, tetrahydropiperine, polyglyceryl-4 oleate, ethylhexyl olivate, glyceryl stearate citrate, glyceryl caprylate, sodium acrylates copolymer, sodium phytate, ilomastat, citrus limon peel extract, citrus aurantium bergamia fruit extract, lavandula angustifolia flower/leaf/stem extract, benzyl alcohol.

The claims, checked

The retinol and bakuchiol here are doing real, published mechanisms, brighter skin and collagen signaling are not made up. But the brand keeps every concentration to itself, so there is no way to check whether this jar delivers retinol-strength results or a much gentler dose. The "24 hours of hydration, clinically backed" line and the two-week before-and-after claim both lean on in-house consumer studies rather than named, checkable trials.

Partial “Delivers the proven results of retinol, a brighter and firmer complexion” Retinol is on the ingredient list and the underlying evidence for fine lines and firmness is strong, but the brand does not disclose a concentration, and retinol's effect size is concentration-dependent.
Partial “Ferulic acid neutralizes free radicals and offsets retinol irritation” Ferulic acid is a recognized antioxidant and does stabilize other actives in some formulas, but no concentration is disclosed here and the specific claim that it offsets this product's retinol irritation is not backed by a cited study.
Partial “Bakuchiol increases collagen and calms skin without triggering redness or dryness” Bakuchiol has published comparative work against retinol showing similar collagen signaling with less irritation, but this formula does not disclose a bakuchiol concentration, and it sits alongside retinol rather than replacing it, which is a different use case than the trials tested.
Unverifiable “24 hours of hydration, clinically backed” The brand calls this clinically backed but names no study, sample size, or measurement method, so the claim as worded cannot be checked.
Unsupported “Visible skin improvement after two weeks of daily use” This comes from a brand consumer-perception study with before and after images, not a controlled published trial, so it does not carry the weight the wording implies.

List read from incidecoder.com/products/dr-dennis-gross-advanced-retinol-ferulic-intense-wrinkle-cream-2. Claims read from Dr. Dennis Gross brand product page.

Barrier repair sensitive

good La Roche-Posay Toleriane Double Repair Face Moisturizer 20 ingredients · 10 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional palmitic acid A saturated fatty acid, naturally found in skin, used as an emollient and cleansing base.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions

Not in the library yet (10): hydrogenated polyisobutene, ammonium polyacryloyldimethyl taurate, myristyl myristate, potassium cetyl phosphate, isobutane, glyceryl stearate se, myristic acid, capryloyl glycine, n-butyl alcohol, acrylonitrile/methyl methacrylate/vinylidene chloride copolymer.

The claims, checked

The barrier story here has real ingredients behind it: ceramide NP and niacinamide both have published evidence for supporting the skin barrier, but La Roche-Posay does not disclose either concentration, so the label claim outruns what we can confirm from the formula alone. The "prebiotic" and "24-hour hydration" claims sit on proprietary ground we could not check against any named study. The fragrance-free claim holds up cleanly against the ingredient list.

Partial “Restores healthy-looking skin with ceramide-3 and niacinamide” Ceramide NP and niacinamide are both in the formula and both have real barrier-support evidence, but neither concentration is disclosed on the label, and the ceramide evidence base mostly covers multi-ceramide blends tested against a vehicle, not ceramide NP alone.
Unverifiable “Unique prebiotic action on the skin microbiome” No disclosed prebiotic ingredient or concentration appears in the published INCI list, and this reads as a proprietary claim tied to La Roche-Posay's thermal spring water complex, which we cannot check against a named study.
Unverifiable “24-hour hydration” Glycerin and dimethicone support general hydration and moisture retention, but the specific 24-hour duration is a proprietary in-house claim with no named published study behind it that we could locate.
Supported “Fragrance and essential oil free, suitable for sensitive skin” The full INCI list carries no fragrance, essential oil, or common sensitizing botanical ingredients, matching the claim as worded.

List read from incidecoder.com/products/la-roche-posay-toleriane-double-repair-face-moisturizer-2. Retailer copy only; not checked against the bottle. Claims read from Claims read from incidecoder's product page copy for La Roche-Posay Toleriane Double Repair Face Moisturizer (brand's own site returned a 403, so this is the closest reachable record of the label language). Retailer pages at Target and Ulta could not be reached or pointed to a mismatched product..

better Paula's Choice Omega+ Complex Moisturizer 53 ingredients · 19 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate ceramide ap A lab-made ceramide that mimics the skin's own barrier lipids in a moisturizer.
Moderate ceramide eop A lab-made lipid that mimics skin's own ceramides, used to reinforce the moisture barrier
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Functional butyrospermum parkii butter Fat pressed from shea tree nuts, used as an emollient and thickener for texture and softening.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional phytosphingosine A naturally derived sphingoid lipid used to support and mimic skin barrier structure.
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional sodium pca A salt of pyrrolidone carboxylic acid, part of skin's natural moisturizing factor, used as a humectant.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional sodium lauroyl lactylate Anionic surfactant and emulsifier made from lactic acid and lauric acid, stabilizes formulas.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel

Not in the library yet (34): ceteareth-6 olivate, c13-15 alkane, polyglyceryl-4 laurate, decyl oleate, linum usitatissimum seed oil, salvia hispanica seed oil, olea europaea fruit oil, passiflora edulis seed oil, borago officinalis seed oil, hydrogenated olive oil, psidium guajava fruit extract, olea europaea oil unsaponifiables, limnanthes alba seed oil, linoleic acid, linolenic acid, oleic acid, euterpe oleracea sterols, serine, alanine, glycine, proline, lysine hcl, threonine, arginine, anastatica hierochuntica extract, sodium lactate, boerhavia diffusa root extract, phytic acid, glutamic acid, betaine, pullulan, pca, sodium polyacrylate starch, sclerotium gum.

The claims, checked

The fatty-acid and ceramide blend lines up with what barrier-repair research generally supports, but Paula's Choice doesn't publish the concentrations here, so there's no way to confirm the formula sits at the levels those studies used. The "fragrance and essential oil free" claim checks out clean against the ingredient list. The "antioxidant" and "restores glow" language leans on ingredients present in small, undisclosed amounts, so it reads more like a fair description of what's in the jar than a proven outcome.

Partial “Restores dehydrated skin's glow with omega fatty acids” The formula carries several omega-rich seed oils (flaxseed, chia, olive, passionfruit, borage) plus free linoleic, linolenic, and oleic acids, which does support lipid replenishment, but no single omega concentration is disclosed, so the strength of the hydration effect can't be checked against a dose.
Partial “Blend of replenishing ceramides restores the skin barrier” Ceramide AP, EOP, and NP are present alongside cholesterol and fatty acids in a barrier-mimicking ratio, which published ceramide-blend studies do link to reduced water loss, but those trials tested defined percentages and this label discloses none, so the claim outruns what can be confirmed for this exact formula.
Unverifiable “Antioxidant-rich formula” Guava fruit extract and euterpe oleracea (acai) sterols carry some antioxidant activity, but no concentration is listed and no product-specific antioxidant testing is cited, so the claim can't be checked against evidence.
Supported “Fragrance and essential oil free, alcohol free, suited to sensitive skin” The INCI list has no fragrance, essential oil, or drying alcohol ingredient, so this claim matches the formula as listed.

List read from incidecoder.com/products/paulas-choice-omega-complex-moisturizer. Claims read from Incidecoder retailer listing (brand page unreachable this session).

best SkinCeuticals Triple Lipid Restore 2:4:2 36 ingredients · 13 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Moderate ceramide eop A lab-made lipid that mimics skin's own ceramides, used to reinforce the moisture barrier
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional c12-15 alkyl benzoate A lightweight ester emollient that smooths texture and helps other ingredients spread evenly
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas

Not in the library yet (23): hydrogenated polyisobutene, ceramide 3, helianthus annuus seed oil unsaponifiables, bis-peg-18 methyl ether dimethyl silane, sodium polyacrylate, peg-10 dimethicone, nylon-12, lauryl peg-9 polydimethylsiloxyethyl dimethicone, dimethicone/peg-10/15 crosspolymer, disteardimonium hectorite, hydroxyethylpiperazine ethane sulfonic acid, ammonium polyacryloyldimethyl taurate, peg/ppg-18/18 dimethicone, propylene carbonate, acrylonitrile/methyl methacrylate/vinylidene chloride copolymer, dipropylene glycol, lavandula angustifolia oil, rosmarinus officinalis leaf oil, t-butyl alcohol, mentha piperita oil, linalool, isobutane, bht.

The claims, checked

The formula does contain all three barrier lipids it names on the label: cholesterol, ceramide 3, and ceramide EOP, so the basic premise holds. Where the label reaches further is the specific "2:4:2" framing and the moisturization percentages, since the underlying study was run on one ingredient in isolation rather than on this finished cream. The "anti-aging" label rides on adenosine, whose concentration here isn't published, so that part sits outside what can be checked.

Partial “2% pure ceramides, 4% natural cholesterol, 2% fatty acids in a targeted barrier-repair ratio” Ceramide 3, ceramide EOP, and cholesterol are all present, matching the three lipid classes the skin barrier itself uses. The published barrier-lipid research this site cites (Man et al., 1996) tests physiologic mixtures generally, not this specific 2:4:2 weighting, so the ratio's particular advantage over other ratios is not independently established.
Partial “Increases skin moisturization by 48.6% after 1 hour and 34.2% after 24 hours” This figure traces to a study on sunflower seed oil unsaponifiables at 2% active, an ingredient present in the formula (helianthus annuus seed oil unsaponifiables) but at an undisclosed concentration here. The stat describes that single ingredient tested on its own, not this finished cream.
Unverifiable “Anti-aging cream that restores skin's lipid barrier” Adenosine appears on the list, which has anti-wrinkle evidence at disclosed leave-on concentrations elsewhere, but this product does not publish its concentration, so the anti-aging half of the claim can't be checked against the formula as sold.

Brand evidence: Sunflower seed oil unsaponifiables moisturization study (48.6%/34.2%, cited via ingredient database, no author or journal published) (The study tested the raw ingredient at 2% active in a standalone cream, not Triple Lipid Restore 2:4:2 itself, and this product's concentration of that ingredient is not disclosed.)

List read from incidecoder.com/products/skinceuticals-triple-lipid-restore-2-4-2. Retailer copy only; not checked against the bottle. Claims read from SkinCeuticals product description as compiled by an ingredient database (incidecoder); the brand's own product page returned an access error on fetch, so this reads as retailer/aggregator-level copy.

Broad spectrum sunscreen

good La Roche-Posay Anthelios Melt-In Milk Sunscreen SPF 60 32 ingredients · 15 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional peg-100 stearate A waxy emulsifier that blends oil and water phases into a stable cream or lotion
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional acrylates/c10-30 alkyl acrylate crosspolymer A synthetic polymer that thickens formulas and holds oil and water together
Functional triethanolamine An alkaline pH adjuster that also helps emulsify oil and water in a formula
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder

Not in the library yet (17): homosalate, ethylhexyl salicylate, octocrylene, styrene/acrylates copolymer, polymethylsilsesquioxane, butyloctyl salicylate, poly c10-30 alkyl acrylate, caprylyl methicone, trisiloxane, acrylates/dimethicone copolymer, diethylhexyl syringylidenemalonate, potassium cetyl phosphate, peg-8 laurate, inulin lauryl carbamate, p-anisic acid, cassia alata leaf extract, sodium dodecylbenzenesulfonate.

List read from incidecoder.com/products/la-roche-posay-anthelios-melt-in-milk-sunscreen-spf-60. Retailer copy only; not checked against the bottle.

better EltaMD UV Clear Broad-Spectrum SPF 46 17 ingredients · 9 in the library

Strong zinc oxide The broad-spectrum mineral sunscreen filter.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
Moderate sodium hyaluronate A humectant that holds water at the surface.
Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer A synthetic polymer that thickens water phases and stabilizes emulsions without added surfactant.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.

Not in the library yet (8): octinoxate, octyldodecyl neopentanoate, polyisobutene, triethoxycaprylylsilane, peg-7 trimethylolpropane coconut ether, oleth-3 phosphate, iodopropynyl butylcarbamate, phosphoric acid.

The claims, checked

The sunscreen basics hold up. Zinc oxide backed by octinoxate is a real broad-spectrum pairing, and 5% niacinamide sits right in the range where the published trials show benefit. The acne-calming and "non-comedogenic" language is harder to check since it rests on the whole formula, not one ingredient, and the brand's 12-week clinical mention doesn't name a study we can look at. The "#1 dermatologist-recommended" line is a brand-survey claim, not a performance one, so it shouldn't be read as evidence the sunscreen works better than others.

Supported “Broad-spectrum SPF 46 protection from UVA and UVB” Zinc oxide plus octinoxate is a standard broad-spectrum filter pairing, and the site's own ingredient library rates zinc oxide's UVA/UVB coverage as strong evidence.
Supported “5% niacinamide to reduce the look of blemishes and discoloration” The stated 5% concentration sits inside the 2% to 5% range where controlled trials show barrier and pigmentation benefits, per the site's niacinamide entry.
Unverifiable “Non-comedogenic, oil-free formula that calms acne-prone skin” Non-comedogenic and calming claims depend on the full formula and comedogenicity testing, not on any single INCI entry, and no such test data is published for this product.
Unverifiable “Clinical results show skin improvement after 12 weeks” The brand page references a 12-week clinical outcome without naming the study, so the design and population cannot be checked against the claim.
Unsupported “#1 dermatologist-recommended professional sunscreen brand” This is a brand-recommendation survey result, not efficacy evidence, and it says nothing about how well this specific product performs.

List read from eltamd.com/products/uv-clear-broad-spectrum-spf-46. Retailer copy only; not checked against the bottle. Claims read from EltaMD's own product page for UV Clear Broad-Spectrum SPF 46.

best iS Clinical Extreme Protect SPF 40 36 ingredients · 13 in the library

Strong zinc oxide The broad-spectrum mineral sunscreen filter.
Strong glycerin The workhorse humectant almost everything is built on.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional titanium dioxide A mineral pigment that scatters UV and visible light, used as a sunscreen filter and white opacifier
Functional c12-15 alkyl benzoate A lightweight ester emollient that smooths texture and helps other ingredients spread evenly
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.

Not in the library yet (23): sorbitan stearate, polyhydroxystearic acid, tribehenin, polyurethane-62, polyglyceryl-4 isostearate, hexyl laurate, cetyl peg/ppg-10/1 dimethicone, aluminum stearate, panthenyl triacetate, ethyl linoleate, asiaticoside, asiatic acid, madecassic acid, alumina, olea europaea leaf extract, sorbitol/sebacic acid copolymer behenate, magnesium aluminum silicate, trideceth-6, oleyl alcohol, aloe barbadensis leaf juice, isostearic acid, polyquaternium-7, iron oxides.

The claims, checked

The SPF 40 broad-spectrum claim checks out: zinc oxide and titanium dioxide are the only actives, and that combination has a long track record against UVA and UVB. Past that, the label leans on branded names like 'Extremozyme' and phrases like 'supports optimal skin health' that don't map to a disclosed ingredient or a specific study, so we can't verify them one way or the other. The tint claim is real but only for the Beige and Bronze shades, not the translucent version, since iron oxides only show up in those two.

Supported “All-physical broad-spectrum UVA/UVB protection, SPF 40” Zinc oxide and titanium dioxide are both present as the sole active filters, and mineral filters at this pairing are well documented for broad UVA/UVB coverage.
Unverifiable “Antioxidant-rich formula with 'Extremozyme technology' for environmental defense” Tocopherol and olea europaea leaf extract are real antioxidants, but Extremozyme is a proprietary named blend with no disclosed ingredients or concentration, so the added environmental-defense claim on top of the antioxidants can't be checked.
Partial “Water-resistant formula” The page states water resistance without giving a duration (the standard 40 or 80 minute testing categories), so the mechanism is plausible for a mineral formula but the claim as worded promises more precision than is disclosed.
Partial “Supports optimal skin health” Glycerin, aloe barbadensis leaf juice, and panthenyl triacetate are genuine humectant and soothing ingredients, but 'optimal skin health' is broader than what any single ingredient here has published evidence for at the concentrations used.
Partial “PerfecTint technology enhances natural skin tone” Iron oxides, which do provide light tint and some visible-light protection, appear only in the Beige/Bronze shades per our own ingredient record, so the claim holds for tinted versions but not for the translucent formula.

List read from isclinical.com/extreme-protect-spf40.html. Claims read from iS Clinical's own product page for Extreme Protect SPF 40.

Copper peptide serum

good Asterwood Copper Peptides (GHK-Cu) Firming Serum 5 ingredients · 4 in the library

Moderate sodium hyaluronate A humectant that holds water at the surface.
Emerging copper tripeptide-1 The copper-bound signal peptide the repair claims are about.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH

Not in the library yet (1): phenylpropanol.

The claims, checked

The formula does contain copper tripeptide-1 at a disclosed 0.10%, so "stimulates collagen production" and "firms" aren't invented out of nothing, they're just riding evidence the site's own ingredient library calls emerging rather than settled. Sodium hyaluronate at 1.5% backs the hydration part on firmer ground. "Visibly fewer fine lines and wrinkles" and the general "backed by clinical studies" line outrun what's published or cited for this product specifically.

Partial “Stimulates collagen production” Copper tripeptide-1 (GHK-Cu) at 0.10% is the right ingredient for this claim, but wound-healing literature and small cosmetic trials only suggest collagen support; head-to-head evidence at this concentration is thin.
Partial “Visibly firms and hydrates skin” Sodium hyaluronate at 1.5% has moderate evidence for surface hydration, but the firming half rides on the same emerging GHK-Cu data rather than trials of this formula.
Unsupported “Visibly fewer fine lines and wrinkles” No study is cited for this product, and the GHK-Cu literature the site's own library describes as emerging does not establish a visible wrinkle-reduction effect at 0.10%.
Unverifiable “Backed by clinical studies” This is a general brand statement with no study named for this specific serum, so it cannot be checked against a real citation.

List read from Asterwood product page (asterwood.co), read 2026-08-01. Claims read from Asterwood product page (asterwood.co/products/copper-peptides-serum), read 2026-08-01.

better The Ordinary Multi-Peptide + Copper Peptides 1% Serum 48 ingredients · 18 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Emerging copper tripeptide-1 The copper-bound signal peptide the repair claims are about.
Functional sodium hyaluronate crosspolymer A crosslinked form of hyaluronic acid used to build gel texture and film on skin
Functional sodium pca A salt of pyrrolidone carboxylic acid, part of skin's natural moisturizing factor, used as a humectant.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.

Not in the library yet (30): lactococcus ferment lysate, acetyl hexapeptide-8, pentapeptide-18, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, palmitoyl tripeptide-38, dipeptide diaminobutyroyl benzylamide diacetate, acetylarginyltryptophyl diphenylglycine, glycine, alanine, serine, valine, isoleucine, proline, threonine, histidine, phenylalanine, arginine, aspartic acid, trehalose, fructose, glucose, maltose, urea, pca, sodium lactate, hydroxypropyl cyclodextrin, sodium chloride, acacia senegal gum, dimethyl isosorbide.

The claims, checked

The one ingredient this product is named for, GHK-Cu copper peptide, has real literature behind it for collagen and elasticity support, and it is present at a disclosed 1%. The other four peptides in the blend (Matrixyl 3000, Matrixyl synthe'6, SYN-AKE, and a SNAP-8-type peptide) carry their own separate research, but the brand does not say how much of each is in this bottle, so claims like "improves the appearance of fine lines" are asking the whole formula to cover ground that only the copper peptide's evidence actually reaches. "Targets signs of aging associated with environmental stressors" and "delivers radiant, healthier-looking skin" are not tied to any specific ingredient or mechanism, so there is nothing to check them against.

Partial “Improves the appearance of fine lines” Copper tripeptide-1 (GHK-Cu) has decades of wound-healing literature pointing to collagen support, but the brand does not disclose concentrations for the other four peptides in the blend (Matrixyl 3000, Matrixyl synthe'6, SYN-AKE, SNAP-8-type dipeptide), so the combined effect on fine lines outruns what any single ingredient's evidence covers.
Partial “Supports skin elasticity, smoothness, and firmness” GHK-Cu is the one ingredient here with published support for elasticity and firmness, but our own evidence entry notes head-to-head data against retinoids is thin, and the claim is worded for the whole five-peptide formula rather than the one ingredient the evidence actually covers.
Unverifiable “Targets signs of aging associated with environmental stressors” No ingredient in the INCI list (no vitamin C, no other antioxidant) is specifically tied to environmental-stressor defense, so there is no mechanism to check this claim against.
Unverifiable “Delivers radiant, healthier-looking skin” This is subjective cosmetic language with no measurable endpoint, so no study design could confirm or contradict it.

List read from incidecoder.com/products/the-ordinary-buffet-copper-peptides-1. Claims read from The Ordinary's own product page for Multi-Peptide + Copper Peptides 1% Serum.

best NIOD Copper Amino Isolate Serum 1% 23 ingredients · 9 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Emerging copper tripeptide-1 The copper-bound signal peptide the repair claims are about.
Functional sodium hyaluronate crosspolymer A crosslinked form of hyaluronic acid used to build gel texture and film on skin
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (14): dimethyl isosorbide, ethoxydiglycol, myristoyl nonapeptide-3, copper lysinate/prolinate, zinc palmitoyl nonapeptide-14, decapeptide-22, oligopeptide-78, palmitoyl decapeptide-21, methylglucoside phosphate, hydrolyzed wheat protein, ppg-26-buteth-26, peg-40 hydrogenated castor oil, glyceryl caprylate, phenylpropanol.

The claims, checked

The serum does carry copper tripeptide-1, the ingredient the repair story is actually about, so the core premise is not invented. But the label leans on two proprietary complexes, Neodermyl and Renaissance Peptide Complex, with a specific '38% more compactness' figure that has no independent study behind it we could locate. The copper tripeptide-1 claims lean firmer than the underlying literature, which our own evidence entry calls emerging rather than settled.

Unverifiable “Targets all signs of skin aging indirectly, forming a foundation for skin health” This is a positioning statement, not a testable mechanism or outcome, so there is no study design that could confirm or deny it.
Partial “Copper Tripeptide-1 stimulates collagen, improves elasticity, and reduces wrinkles” The formula does contain copper tripeptide-1 (GHK-Cu), and wound-healing literature points toward collagen support, but our own evidence entry grades this 'emerging' with thin head-to-head data, short of the confident wording used on the label.
Unverifiable “Neodermyl Complex boosts collagen I and III and elastin production” Neodermyl is a named proprietary complex without a disclosed concentration in the INCI list we verified, so the claim cannot be checked against published dosing.
Unverifiable “Renaissance Peptide Complex increases skin compactness by 38% in 4 weeks” This figure traces to an in-house instrumental test on a proprietary blend rather than a named, independently published study, so the number cannot be checked against outside evidence.

List read from incidecoder.com/products/niod-copper-amino-isolate-serum-1-00. Retailer copy only; not checked against the bottle. Claims read from NIOD product page copy, as reflected in the incidecoder listing (retailer/aggregator page, brand page unreachable this session).

Daily body lotion

good CeraVe Daily Moisturizing Lotion 23 ingredients · 15 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Moderate ceramide ap A lab-made ceramide that mimics the skin's own barrier lipids in a moisturizer.
Moderate ceramide eop A lab-made lipid that mimics skin's own ceramides, used to reinforce the moisture barrier
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional sodium lauroyl lactylate Anionic surfactant and emulsifier made from lactic acid and lauric acid, stabilizes formulas.
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional phytosphingosine A naturally derived sphingoid lipid used to support and mimic skin barrier structure.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas

Not in the library yet (8): potassium phosphate, ceteareth-20, behentrimonium methosulfate, methylparaben, dipotassium phosphate, propylparaben, hydrolyzed hyaluronic acid, polyglyceryl-3 diisostearate.

The claims, checked

The ceramide barrier claim holds up: three ceramides plus cholesterol is the combination the published barrier-repair studies actually test. The 48-hour hydration figure and the MVE "controlled release" story are harder to check since neither concentration nor release data is public, so those ride on the brand's own word. The hyaluronic acid "plump texture" line is real but temporary: it's surface water, not a lasting change to skin structure.

Supported “Contains three ceramides that help restore the skin's protective barrier” Ceramide NP, ceramide AP, and ceramide EOP are all in the formula alongside cholesterol, matching the blend that published barrier-repair studies test.
Unverifiable “Provides 48-hour hydration” The label doesn't disclose ceramide or humectant concentrations, and this specific duration claim rests on brand-run testing we can't independently check against the ingredient list.
Unverifiable “MVE technology gives controlled release and all-day hydration” MVE is a proprietary delivery system, not an INCI ingredient, so its release behavior can't be checked against the disclosed formula or independent published evidence.
Partial “Hyaluronic acid helps give skin a smooth, plump texture” Hydrolyzed hyaluronic acid is a humectant that measurably improves surface hydration, but the plumping is water held at the surface, not a structural change, and it fades once the product is no longer applied.
Supported “Non-comedogenic and fragrance-free, suitable for sensitive skin” The formula carries no added fragrance and no common comedogenic oils, consistent with the National Eczema Association Seal of Acceptance the product holds.

Brand evidence: National Eczema Association Seal of Acceptance (This seal reviews formulas for fragrance and known irritants for eczema-prone skin, which lines up with the sensitive-skin claim it's cited for.)

List read from www.cerave.com/skincare/moisturizers/daily-moisturizing-lotion. Claims read from CeraVe's own product page for Daily Moisturizing Lotion.

better Necessaire The Body Lotion 29 ingredients · 10 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional palmitic acid A saturated fatty acid, naturally found in skin, used as an emollient and cleansing base.
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.

Not in the library yet (19): dicaprylyl carbonate, shea butter glycerides, simmondsia chinensis seed oil, cetearyl olivate, sorbitan olivate, palmitoyl dipeptide-5 diaminobutyroyl hydroxythreonine, palmitoyl dipeptide-5 diaminohydroxybutyrate, palmitoyl hexapeptide-12, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1, sclerocarya birrea seed oil, caryodendron orinocense seed oil, limnanthes alba seed oil, linoleic acid, linolenic acid, polyacrylate crosspolymer-6, caprylhydroxamic acid, t-butyl alcohol, oleic acid.

The claims, checked

The 2.5% niacinamide is disclosed at a concentration published research actually tested, so the strengthening claim tied to it holds. The peptide complex is where the label outruns what can be checked: Necessaire calls it a "micro-dose" and never says how much, so there is no way to compare it to the peptide studies that exist. The 48-hour moisture claim rests on a small brand-run panel measuring how skin felt, not an independent instrumental test, and the eczema association seal is about tolerability testing rather than proof the lotion moisturizes or firms.

Partial “Moisturizes skin for 48 hours” The formula leans on humectants and occlusives (glycerin, shea butter glycerides, jojoba seed oil) that plausibly hold moisture, but the 48-hour figure comes from the brand's own small in-house panel, not an independent published trial.
Supported “2.5% niacinamide strengthens and firms skin” 2.5% sits inside the range used in published niacinamide trials showing barrier and texture benefits, and the concentration is disclosed on the label.
Unverifiable “Peptide complex firms and strengthens skin” The five peptides (palmitoyl hexapeptide-12, palmitoyl tripeptide-1, and others) are described as a "micro-dose," and Necessaire does not disclose the concentration, so there is no way to check it against the levels used in published peptide studies.
Supported “National Eczema Association Seal of Approval” The seal reflects a defined safety and tolerability testing protocol the association runs, which matches what the seal is meant to certify; it speaks to tolerability, not to the moisturizing or firming claims.

Brand evidence: In-house panel study, 50 panelists, 2 weeks, third-party verified clinic, Q4 2021 (The panel recorded self-reported perception (percent of people who said skin felt moisturized, healthy, strengthened), not an instrumental measurement of moisture over 48 hours, so it backs the general feel claims better than the specific 48-hour figure.)

List read from www.necessaire.com/products/the-body-lotion. Retailer copy only; not checked against the bottle. Claims read from Necessaire product page (necessaire.com/products/the-body-lotion).

best Augustinus Bader The Body Cream 39 ingredients · 19 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate camellia sinensis leaf extract A green tea leaf extract added as a polyphenol-rich antioxidant to protect skin from oxidative stress.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Emerging bisabolol A chamomile-derived terpene alcohol added to calm and soothe irritated skin.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional phospholipids Lipid molecules, often lecithin-derived, used as an emulsifier and skin-conditioning agent.
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.

Not in the library yet (20): butyrospermum parkii shea butter, behenyl alcohol, dicaprylyl ether, lauryl laurate, myristyl myristate, polyglyceryl-3 methylglucose distearate, sodium stearoyl glutamate, xylitylglucoside, anhydroxylitol, xylitol, helianthus annuus sunflower seed oil, glucose, hydrogenated phosphatidylcholine, hydrolyzed rice protein, alanyl glutamine, arginine, brassica alba oil, oligopeptide-177, phenylalanine, sodium chloride.

The claims, checked

The moisturizing base here is solid: shea butter, glycerin, squalane, and ceramide NP are well-established for softening and hydrating skin. The firming, toning, and cellulite claims lean on TFC8 and oligopeptide-177, both proprietary and undisclosed in concentration, so "clinically proven" can't be checked against anything published. Niacinamide is present but its usual evidence sits at 2 to 5 percent, and this label doesn't say where the formula lands.

Partial “Proven to intensely hydrate” Shea butter, glycerin, squalane, and ceramide NP form a real emollient and humectant base that supports hydration, but the strong wording rests on the brand's own unpublished testing rather than an independent study of this formula.
Unverifiable “Firms, tones, and smooths skin” The formula's only skin-remodeling candidate is oligopeptide-177 inside the proprietary TFC8 complex, with no disclosed concentration and no ingredient monograph in our library to check it against.
Unsupported “Reduces the appearance of cellulite and stretch marks” No ingredient in the list (niacinamide, bisabolol, squalane, ceramide NP) has published evidence tied to cellulite or stretch mark appearance, and the formula discloses no concentration for anything that might plausibly act there.
Unverifiable “Powered by TFC8, the brand's Trigger Factor Complex” TFC8 is a proprietary blend with an undisclosed formula and concentration, so its contribution to any claim on this label cannot be checked against published evidence.

Brand evidence: No specific named study was reachable for The Body Cream (The brand's marketing references being clinically proven without naming a study we could locate or verify, so we cannot confirm the trial's design matches the claims it is used to support.)

List read from incidecoder.com/products/augustinus-bader-the-body-cream-3. Claims read from Retailer/ingredient-database listing (incidecoder product page); the brand's own site was unreachable.

Exfoliating loofah

better First Aid Beauty KP Bump Eraser Body Scrub 10% AHA 30 ingredients · 16 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
Moderate camellia sinensis leaf extract A green tea leaf extract added as a polyphenol-rich antioxidant to protect skin from oxidative stress.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Emerging bisabolol A chamomile-derived terpene alcohol added to calm and soothe irritated skin.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional palmitic acid A saturated fatty acid, naturally found in skin, used as an emollient and cleansing base.
Functional c12-15 alkyl benzoate A lightweight ester emollient that smooths texture and helps other ingredients spread evenly
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.

Not in the library yet (14): pumice, glycolic acid, sodium cocoyl isethionate, sorbitol, colloidal oatmeal, chrysanthemum parthenium extract, glycyrrhiza glabra root extract, salix nigra bark extract, hydrogenated coconut acid, steareth-20, steareth-21, myristic acid, sodium isethionate, leuconostoc/radish root ferment filtrate.

The claims, checked

The scrub pairs a 10% glycolic/lactic AHA blend with pumice, which is a reasonable exfoliation combination, and lactic acid has real trial support for smoothing skin over weeks of use. The brand's "92%" and "95%" numbers come from its own 10-day test of 38 people reporting how their skin felt, not an independent or instrumented measurement, and the individual glycolic acid percentage inside the 10% AHA figure isn't published. "After just one use" outruns both that study's timeframe and the published lactic acid research, which tracks improvement over weeks rather than a single application.

Partial “Reveals softer, smoother skin after just one use” Pumice plus a 10% glycolic/lactic AHA blend can smooth skin mechanically and chemically in one session, but the brand's own supporting data is a 10-day test, not a single-use result, and our lactic acid evidence describes gains building over 4 to 12 weeks.
Partial “Designed to help reduce the appearance of keratosis pilaris” AHA exfoliation is a standard KP approach and lactic acid has trial support for smoothing, but neither our ingredient library nor the cited study is KP-specific, and the individual glycolic acid concentration within the 10% blend is not disclosed.
Partial “92% of panelists with KP reported skin felt exceptionally smooth (10-day test)” This is the brand's own consumer perception study and it does back the wording, but it ran on 38 people, self-reported feel rather than measured skin change, and had no control group.
Partial “95% reported it got rid of dry, flaky skin” Same 38-person, 10-day self-report study; a real result for that panel, but too small and short to support the claim as a general outcome.

Brand evidence: First Aid Beauty 10-day consumer perception test, 38 participants with KP (The study measures self-reported feel over 10 days of repeat use, which supports the 92%/95% panel statistics themselves but not the separate claim that results show after a single use.)

List read from incidecoder.com/products/first-aid-beauty-mini-kp-bump-eraser-body-scrub-with-10-aha. Claims read from First Aid Beauty product page (firstaidbeauty.com).

Foot heel cream

good O'Keeffe's Healthy Feet Foot Cream 12 ingredients · 4 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH

Not in the library yet (8): paraffin, hydroxypropyl methylcellulose, octyldodecyl stearate, diazolidinyl urea, iodopropynyl butylcarbamate, acrylates/acrylamide copolymer, mineral oil, polysorbate 85.

The claims, checked

The moisture claims hold up: glycerin pulls water in and the paraffin-mineral oil-stearic acid base locks it in, which is textbook occlusive-humectant chemistry. "Heals" and "repairs" cracked feet reach further than the ingredient list supports, since the formula has no urea or acid exfoliant, the actives usually behind published cracked-heel results. The "few days" timeline rests on the brand's own before-and-after photos over two weeks, not a study that has been reviewed outside the company.

Partial “Heals, relieves, and repairs extremely dry, cracked feet” The formula is glycerin, paraffin, mineral oil, and stearic acid, a humectant plus occlusive combination that softens and seals skin, but it carries no urea, salicylic acid, or lactic acid, the exfoliating actives most published cracked-heel studies use. Allantoin adds mild soothing and softening at an undisclosed concentration, which supports relief more than repair of fissures.
Supported “Immediately increases the moisture content of your skin” Glycerin is a well-studied humectant that draws water into the skin on contact, and the ingredients.ts entry for glycerin backs this as a fast, measurable hydration effect.
Supported “Creates a protective layer that locks in moisture” Paraffin, mineral oil, and stearic acid are classic occlusive agents with a long record of reducing transepidermal water loss; this is standard emollient mechanism, not a novel claim.
Unverifiable “Most people see improvement within a few days of regular use” The brand page backs this with before-and-after photos from a two-week home-use period rather than a controlled or published trial, so the days-level timeline cannot be checked against independent evidence.

Brand evidence: O'Keeffe's before-and-after photo set, two-week home-use period, cream applied once daily and as needed (This is a company photo comparison, not a controlled or peer-reviewed study, so it cannot carry the weight of a clinical claim even though it is offered alongside one.)

List read from incidecoder.com/products/okeeffes-healthy-feet-foot-cream. Claims read from O'Keeffe's brand product page (okeeffescompany.com).

better Eucerin Advanced Repair Foot Cream 26 ingredients · 10 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional sodium pca A salt of pyrrolidone carboxylic acid, part of skin's natural moisturizing factor, used as a humectant.
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together

Not in the library yet (16): urea, caprylic-capric-triglyceride, octyldodecanol, hydrogenated coco-glycerides, ethylhexyl cocoate, sodium lactate, glyceryl stearate se, distarch phosphate, arginine hcl, glycine, alanine, carnitine, helianthus annuus seed oil, sorbitan stearate, sodium cetearyl sulfate, sodium chloride.

List read from incidecoder.com/products/eucerin-advanced-repair-foot-cream-2.

best Gehwol Med Lipidro Cream 27 ingredients · 10 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.

Not in the library yet (17): urea, persea gratissima oil, polyglyceryl-3 methylglucose distearate, isopropyl palmitate, octyldodecanol, ppg-3 benzyl ether myristate, myristyl myristate, triethyl citrate, hydrolyzed algin, chlorella vulgaris extract, maris aqua, farnesol, hippophae rhamnoides extract, methylparaben, ethylparaben, bht, ascorbyl palmitate.

The claims, checked

The urea-for-dry-feet claim rests on real chemistry. Urea does draw in moisture and soften skin. What's missing here is the number: without a disclosed percentage, there's no way to tell whether this cream sits at a light moisturizing dose or a stronger keratolytic one. The "prevents calluses" line leans on that same missing number, so it reads as a hope more than a checked promise.

Partial “Intensive care for dry skin on the feet with urea” Urea is a genuine humectant and mild keratolytic at cosmetic concentrations, but this listing does not disclose the percentage used, so the strength of "intensive" cannot be checked against the formula.
Unverifiable “Prevents calluses” Callus-softening effects from urea are concentration-dependent, typically seen at higher percentages (10 percent or more), and no urea concentration is disclosed for this product.

List read from incidecoder.com/products/gehwol-med-lipidro-cream. Claims read from retailer ingredient listing (incidecoder); the brand's own product page returned a 404 and could not be reached.

Gentle gel cleanser

good La Roche-Posay Toleriane Purifying Foaming Cleanser 14 ingredients · 8 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.

Not in the library yet (6): coco-betaine, sodium cocoyl glycinate, peg-120 methyl glucose dioleate, sodium chloride, capryloyl glycine, acrylates copolymer.

List read from incidecoder.com/products/la-roche-posay-toleriane-purifying-foaming-cleanser. Retailer copy only; not checked against the bottle.

better Dermalogica Special Cleansing Gel 24 ingredients · 8 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.

Not in the library yet (16): sodium c14-16 olefin sulfonate, sodium lauroyl sarcosinate, hydroxyethylcellulose, lavandula angustifolia oil, quillaja saponaria bark extract, citrus limon peel oil, melissa officinalis leaf extract, citrus aurantium bergamia fruit oil, cymbopogon nardus oil, cocamidopropyl betaine, sodium cocoamphoacetate, hydroxyacetophenone, cocamidopropyl hydroxysultaine, 12-hexanediol, o-cymen-5-ol, ppg-5-ceteth-20.

The claims, checked

The core formula backs up a basic cleansing job: it foams, it lifts oil, and the milder cosurfactants take some of the edge off the sulfate-type lead ingredient. "Without stripping or drying" outruns what's on the label though, and the citrus and citronella oils cut against the "mild enough for every day" promise for anyone prone to fragrance sensitivity. The soothing botanicals are real ingredients at undisclosed amounts, not a tested claim.

Partial “Washes away impurities without stripping or drying” The lead surfactant is sodium C14-16 olefin sulfonate, an anionic sulfate-type cleanser that can strip lipids on its own; the milder co-surfactants (sodium lauroyl sarcosinate, cocamidopropyl betaine, sodium cocoamphoacetate) soften but do not erase that effect, and no published data isolates this exact blend.
Unverifiable “Calming agents help soothe and purify skin” Lavender, melissa, and quillaja bark extracts sit low on the ingredient list with no disclosed concentration, so their soothing contribution here cannot be checked against published dose-response evidence.
Partial “Lightweight and mild enough to use every day” The formula also carries three essential oils (lemon, bergamot, citronella) plus o-cymen-5-ol, ingredients associated with sensitization and photosensitivity in a portion of users, so "mild enough for every day" holds for average skin but not universally.
Unverifiable “Suitable for normal, combination, and oily skin types” No skin-type-specific testing is cited on the brand page, and the ingredient list alone cannot confirm performance across these categories.

List read from incidecoder.com/products/dermalogica-special-cleansing-gel-4. Claims read from Dermalogica's own product page for Special Cleansing Gel.

best SkinCeuticals Simply Clean Gel Cleanser 17 ingredients · 8 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.

Not in the library yet (9): sodium cocoyl glycinate, coco-betaine, acrylates copolymer, sodium chloride, hydroxyethylpiperazine ethane sulfonic acid, citrus aurantium dulcis oil, orange peel oil, aloe barbadensis leaf extract, chamomilla recutita extract.

List read from incidecoder.com/products/skinceuticals-simply-clean-gel.

Hyaluronic hydrator

good The Ordinary Hyaluronic Acid 2% + B5 22 ingredients · 15 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional sodium hyaluronate crosspolymer A crosslinked form of hyaluronic acid used to build gel texture and film on skin
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.

Not in the library yet (7): hydrolyzed hyaluronic acid, sphingolipids, ahnfeltiopsis concinna extract, p-anisic acid, trisodium ethylenediamine disuccinate, ethoxydiglycol, hexylene glycol.

The claims, checked

The hyaluronic acid layering here is real, three different molecular weights sit in the ingredient list, and that supports the multi-depth hydration story. "Plumps, Smooths" holds for the immediate humectant effect but the label doesn't break out how much of that 2% is which form, so the smoothing part outruns what's disclosed. The B5 barrier claim leans on a mechanism that's genuinely documented elsewhere, just not at a stated concentration in this bottle. Nothing here needed a fabricated study to check, because we couldn't confirm the brand publishes one for this specific serum in what we could reach.

Supported “Multiple forms and molecular weights of hyaluronic acid give multi-depth hydration” The formula lists sodium hyaluronate, hydrolyzed hyaluronic acid, and sodium hyaluronate crosspolymer, three distinct molecular weights, and hyaluronic acid's humectant hydration effect at the skin surface and mid-depth is well established in the published literature.
Partial “Plumps, Smooths” Immediate plumping from a hyaluronic acid and glycerin humectant film is well documented, but the combined 2% figure covers several HA forms rather than one, so a lasting texture-smoothing effect at this specific split is not separately demonstrated.
Partial “Vitamin B5 (panthenol) supports the skin's moisture barrier” Panthenol's barrier-repair evidence in our library holds at roughly 1 to 5 percent, and this product does not disclose its panthenol concentration, so the claim rests on a plausible but unconfirmed dose.
Unverifiable “Lightweight, non-sticky formula suited to all skin types” This is a sensory and tolerability claim with no published comparative data behind it, and none was available in what we could reach.

List read from incidecoder.com/products/the-ordinary-hyaluronic-acid-2-b5-hydrating-serum-2024-reformulation. Claims read from The Ordinary's site search listing for this product and its sibling formulation page; the direct product URL redirected to an unrelated listing, and the Sephora listing returned a blocked response.

better The INKEY List Hyaluronic Acid Serum 12 ingredients · 7 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (4): ammonium acryloyldimethyltaurate/vp copolymer, leuconostoc/radish root ferment filtrate, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1.

The claims, checked

The hydration story here holds up: sodium hyaluronate and hyaluronic acid at a stated 2% multi-molecular blend are well-evidenced humectants, and the site's own ingredient library backs that part directly. The "firms" and "clinically proven" language leans on a small, self-reported consumer study rather than instrumented measurement, so it reads as how skin felt to 22 people, not a measured mechanical change. The Matrixyl 3000 peptides are really in the formula, but with no disclosed concentration there is nothing to check the fine-line claim against.

Partial “Instantly hydrates, plumps & firms skin” Sodium hyaluronate and hyaluronic acid are proven humectants that hydrate and visually plump skin, but that plumping is bound water, not structural firming, and the formula has no ingredient with published evidence for firming on its own.
Supported “2% Multi-Molecular Hyaluronic Acid for hydration at multiple depths” The INCI list shows both sodium hyaluronate and hyaluronic acid, consistent with a multi-weight blend, and the site's own evidence entry for hyaluronic acid backs reliable hydration improvement at typical serum concentrations.
Partial “82% agreed skin felt firmer, smoother and more elastic after 4 weeks” This is a self-reported perception result from a small (n=22) consumer-use study, not an instrumented measurement of firmness or elasticity, so it supports how skin felt to users rather than a measured mechanical change.
Unverifiable “Contains Matrixyl 3000 Peptide that targets fine lines and supports firmer-looking skin” The INCI list confirms palmitoyl tetrapeptide-7 and palmitoyl tripeptide-1, the peptides sold under the Matrixyl 3000 name, but the brand does not disclose their concentration in this serum, and the site's ingredient library has no entry for these peptides to check against.
Partial “Contributes to improved skin barrier by reducing water loss” Glycerin and the humectant base can plausibly reduce transepidermal water loss short-term, but the cited consumer study measured perception rather than instrumented TEWL, so the barrier claim outruns what was actually measured.

Brand evidence: INKEY List independent consumer-use study, n=22, 4 weeks (Self-reported agreement scores on feel and appearance, not an instrumented or dermatologist-graded measurement, so it backs a perception claim but not a firmness or barrier-repair claim as worded.)

List read from incidecoder.com/products/the-inkey-list-hyaluronic-acid-serum. Claims read from The INKEY List product page (theinkeylist.com).

best SkinCeuticals H.A. Intensifier 31 ingredients · 15 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional acrylates/c10-30 alkyl acrylate crosspolymer A synthetic polymer that thickens formulas and holds oil and water together
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas

Not in the library yet (16): hydroxypropyl tetrahydropyrantriol, polyglyceryl-4 caprate, dipotassium glycyrrhizate, lactobacillus/soybean ferment extract, polysilicone-11, capryloyl salicylic acid, octyldodecanol, bis-peg/ppg-16/16 peg/ppg-16/16 dimethicone, ammonium polyacryloyldimethyl taurate, peg-20 methyl glucose sesquistearate, trisodium ethylenediamine disuccinate, sodium acetylated hyaluronate, dextrin, oryza sativa extract, citrus nobilis peel oil, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate.

List read from www.skinceuticals.com/hyaluronic-acid-intensifier.

Hydrating cream cleanser

good CeraVe Hydrating Facial Cleanser 23 ingredients · 18 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Moderate ceramide ap A lab-made ceramide that mimics the skin's own barrier lipids in a moisturizer.
Moderate ceramide eop A lab-made lipid that mimics skin's own ceramides, used to reinforce the moisture barrier
Moderate sodium hyaluronate A humectant that holds water at the surface.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional sodium lauroyl lactylate Anionic surfactant and emulsifier made from lactic acid and lauric acid, stabilizes formulas.
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional phytosphingosine A naturally derived sphingoid lipid used to support and mimic skin barrier structure.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel

Not in the library yet (5): peg-40 stearate, stearyl alcohol, potassium phosphate, behentrimonium methosulfate, dipotassium phosphate.

The claims, checked

The barrier claim lines up with what is in the jar: three ceramides plus cholesterol match the lipid ratio that shows up in barrier-repair studies. The gentle-cleansing language is a reasonable read of the surfactant choices but is not backed by a study on this exact formula. "MVE Delivery Technology" and "non-comedogenic" are the two spots where the label outruns anything we could check, since both rest on proprietary or untested claims rather than published concentration data.

Supported “Helps restore and maintain the skin's natural moisture barrier” The formula pairs three ceramides (NP, AP, EOP) with cholesterol and phytosphingosine, the same lipid blend and rough concentration range used in the barrier-repair trials cited in our ceramide entries.
Partial “Washes away dirt and oil without stripping natural oils” The surfactants (sodium lauroyl lactylate, polysorbate 20, behentrimonium methosulfate) are mild, syndet-style cleansing agents consistent with a low-strip design, but no published test measures oil retention for this specific formula.
Unverifiable “Won't clog pores (non-comedogenic)” No comedogenicity testing is cited on the brand page, and the ingredient list has no ingredients flagged as strongly comedogenic, so the claim reads as plausible but unchecked.
Unverifiable “MVE Delivery Technology gives controlled release for all-day hydration” MVE is a proprietary multivesicular emulsion system with no disclosed concentration or independent published data, so the all-day timeframe cannot be checked against the ingredient list.

List read from www.cerave.com/skincare/cleansers/hydrating-facial-cleanser. Retailer copy only; not checked against the bottle. Claims read from CeraVe brand product page (cerave.com/skincare/cleansers/hydrating-facial-cleanser).

better Paula's Choice Skin Recovery Softening Cream Cleanser 20 ingredients · 10 in the library

Functional c12-15 alkyl benzoate A lightweight ester emollient that smooths texture and helps other ingredients spread evenly
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.
Functional acrylates/c10-30 alkyl acrylate crosspolymer A synthetic polymer that thickens formulas and holds oil and water together
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.

Not in the library yet (10): hydrogenated polydecene, disodium cocoamphodiacetate, glycine soja oil, laureth-4, cocamidopropyl betaine, chamomilla recutita matricaria flower extract, beta-glucan, paraffinum liquidum, peg-7 glyceryl cocoate, hexylene glycol.

The claims, checked

The alcohol-free and fragrance-free claims check out against the ingredient list, nothing in there contradicts them. The makeup-removal claim lines up with a formula built from mild surfactants and emollient oils, which is a reasonable structure for that job. The 'hydrating' and 'dewy glow' language leans harder than the formula backs up: there's no glycerin or hyaluronic acid here, just butylene glycol and an undisclosed amount of beta-glucan doing the moisture work.

Supported “Gently removes makeup without stripping skin of essential moisture” The formula pairs mild surfactants (disodium cocoamphodiacetate, cocamidopropyl betaine) with emollient oils (paraffinum liquidum, glycine soja oil, hydrogenated polydecene), the standard structure for a cream cleanser built to lift makeup without the stronger detergents that strip lipids.
Partial “Hydrating ingredients replenish skin to keep a dewy beautiful glow” Butylene glycol and beta-glucan give the formula some humectant and soothing function, but there is no glycerin, hyaluronic acid, or other headline hydrator, and no disclosed concentration for beta-glucan, so 'replenish' and 'dewy glow' outrun what the ingredient list can support.
Supported “Alcohol free” No denatured alcohol or ethanol appears anywhere in the INCI list.
Supported “Fragrance and essential oil free” No fragrance, parfum, or named essential oil appears in the INCI list.

List read from incidecoder.com/products/paulas-choice-skin-recovery-softening-cream-cleanser. Claims read from Product description aggregated on IncideCoder's listing page (Paula's Choice brand page itself could not be reached).

best iS Clinical Cleansing Complex 18 ingredients · 4 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.

Not in the library yet (14): disodium laureth sulfosuccinate, cocamidopropyl betaine, peg-30 glyceryl cocoate, carboxymethylcellulose, salix alba bark extract, saccharum officinarum extract, camellia oleifera leaf extract, chamomilla recutita flower extract, asiaticoside, madecassic acid, ascorbyl palmitate, retinyl palmitate, dmdm hydantoin, iodopropynyl butylcarbamate.

The claims, checked

The cleanser's mild surfactant system backs the basic promise of washing without stripping, and the glycerin earns some credit for softness. The pore-refining and impurity claims lean on willow bark extract at a concentration the label never states, in a formula that only touches skin for a rinse, so "visibly refines the appearance of pores" is asking more of this ingredient than the evidence for it, at any dose, supports.

Partial “Thoroughly cleanses the skin without over-drying” The surfactant base (cocamidopropyl betaine, disodium laureth sulfosuccinate) is a mild combination consistent with low-strip cleansing, but no published data on this finished formula measures dryness or barrier loss.
Unverifiable “Helps improve the look of surface impurities for a clearer-looking complexion” Salix alba bark extract carries salicin, a precursor with some BHA-like activity, but the label gives no concentration and this is a rinse-off product, so contact time is short and the dose cannot be checked against any published range.
Unsupported “Visibly refines the appearance of pores” Our library's pore and comedone evidence sits with free salicylic acid at 0.5% to 2% in leave-on use; this formula lists willow bark extract at an undisclosed, likely much lower concentration in a rinse-off cleanser, which is a different claim than the one being sold.
Partial “Smooths and softens the skin's texture” Glycerin is a well-evidenced humectant for texture and softness, but in a rinse-off cleanser its contact time is brief and the claim's effect size is smaller than what leave-on glycerin studies show.

List read from incidecoder.com/products/is-clinical-cleansing-complex. Claims read from iS Clinical's own product page for Cleansing Complex.

Hydrating mask

good La Roche-Posay Hydraphase Intense Mask 21 ingredients · 16 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional butyrospermum parkii butter Fat pressed from shea tree nuts, used as an emollient and thickener for texture and softening.
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional peg-100 stearate A waxy emulsifier that blends oil and water phases into a stable cream or lotion
Functional polysorbate 60 A nonionic emulsifier and solubilizer that lets oil and water phases mix in a formula.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional triethanolamine An alkaline pH adjuster that also helps emulsify oil and water in a formula
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.

Not in the library yet (5): paraffinum liquidum, nylon-12, dimethiconol, hydrolyzed hyaluronic acid, ci 42090.

The claims, checked

The hydration story mostly holds up: this mask leans on real humectants and emollients that plump skin in the short term, and hyaluronic acid earns its spot on the label. The "fragrance-free" claim does not survive contact with the ingredient list, which names parfum outright. The thermal spring water and "non-comedogenic" claims can't be checked against what's actually disclosed, so they sit in wait-and-see territory rather than confirmed.

Supported “High performance hydration that plumps the complexion” The formula pairs humectants (glycerin, sodium hyaluronate, hydrolyzed hyaluronic acid) with occlusives and emollients (dimethicone, dimethiconol, shea butter, paraffinum liquidum, cetyl alcohol), a combination with a well established record for short-term plumping and water retention.
Supported “Hyaluronic acid fragments infuse and retain water in the skin” Sodium hyaluronate and hydrolyzed hyaluronic acid are both declared on the ingredient list, and low-molecular-weight HA fragments are documented humectants for surface hydration.
Unverifiable “Thermal Spring Water gives antioxidant benefits that soothe skin” The declared ingredient list shows plain aqua rather than La Roche-Posay's usual thermal spring water declaration, and no concentration or published antioxidant data for this product is available to check the claim as worded.
Unsupported “Fragrance-free” Parfum appears on the product's own ingredient list, which is the opposite of a fragrance-free formula.
Unverifiable “Non-comedogenic” No published comedogenicity testing for this specific mask was reachable, and the formula does contain shea butter and mineral oil, ingredients where comedogenicity is debated and concentration-dependent.

List read from incidecoder.com/products/la-roche-posay-hydraphase-intense-masque-soothing-rehydrating-mask. Claims read from Retailer/ingredient-database listing (incidecoder product page); La Roche-Posay's own brand page returned a 403 and could not be reached.

better Summer Fridays Jet Lag Mask 36 ingredients · 26 in the library

Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate ceramide eop A lab-made lipid that mimics skin's own ceramides, used to reinforce the moisture barrier
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Moderate ceramide ap A lab-made ceramide that mimics the skin's own barrier lipids in a moisturizer.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Emerging bisabolol A chamomile-derived terpene alcohol added to calm and soothe irritated skin.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer A synthetic polymer that thickens water phases and stabilizes emulsions without added surfactant.
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional phytosphingosine A naturally derived sphingoid lipid used to support and mimic skin barrier structure.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional polysorbate 60 A nonionic emulsifier and solubilizer that lets oil and water phases mix in a formula.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional sodium lauroyl lactylate Anionic surfactant and emulsifier made from lactic acid and lauric acid, stabilizes formulas.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional peg-100 stearate A waxy emulsifier that blends oil and water phases into a stable cream or lotion
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (10): capryloyl glycerin/sebacic acid copolymer, diheptyl succinate, butyrospermum parkii shea butter unsaponifiables, sorbitan stearate, aminopropyl ascorbyl phosphate, physalis angulata extract, castanea sativa chestnut seed extract, tetrasodium glutamate diacetate, cucumis sativus cucumber fruit extract, sorbitan isostearate.

The claims, checked

The core hydration promise holds up: glycerin, hyaluronate, and a three-ceramide blend are the kind of formula that ingredient evidence expects to hydrate. The '100% saw an increase' figure comes from a small self-report survey, not a measured before-and-after test, so it reads more like a satisfaction score than proof. The niacinamide and 'skin soothing complex' claims lean on ingredients with real evidence, but Summer Fridays does not publish concentrations, so nobody outside the company can confirm the doses match the studies behind those claims.

Supported “Delivers deep, nourishing hydration to dull, depleted skin” Glycerin, sodium hyaluronate, and three ceramide types (EOP, NP, AP) sit high enough in the ingredient list to function, and the ingredient library backs humectant plus ceramide-barrier formulas for measurable hydration gains.
Partial “100% saw increased moisturization and hydration 8 hours after use” This is a 33-person self-report consumer perception survey, not an instrumental corneometer measurement, so it shows what people felt rather than a measured hydration change.
Unverifiable “Niacinamide reduces fine lines and pores for a brighter, more even tone” Niacinamide sits early in the ingredient list but the label does not disclose a percentage, and the evidence base for fine lines and tone runs at 2% to 5%, so the claim cannot be checked against this formula's actual dose.
Partial “Skin soothing complex (allantoin, bisabolol, panthenol, cucumber) soothes skin” Panthenol has solid concentration-range evidence for barrier support, but bisabolol's soothing data comes from thin, short trials near 0.5% run by ingredient suppliers, and this formula's concentrations are not disclosed.

Brand evidence: Summer Fridays in-house consumer perception study, 33 participants ages 25 to 55 (Self-reported softness, smoothness, and texture ratings at 8 hours are being used to back a hydration claim; the study measures perception, not an instrumental hydration or barrier metric.)

List read from summerfridays.com/products/jet-lag-mask. Retailer copy only; not checked against the bottle. Claims read from Summer Fridays brand product page (summerfridays.com/products/jet-lag-mask).

best SkinCeuticals Hydrating B5 Masque 13 ingredients · 9 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Functional triethanolamine An alkaline pH adjuster that also helps emulsify oil and water in a formula
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional sodium pca A salt of pyrrolidone carboxylic acid, part of skin's natural moisturizing factor, used as a humectant.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.

Not in the library yet (4): calcium pantothenate, urea, trehalose, polyquaternium-51.

List read from incidecoder.com/products/skinceuticals-b5-mask.

Hydrating toner

good Thayers Alcohol-Free Hydrating Milk Toner 18 ingredients · 13 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional potassium hydroxide A strong alkali used in small amounts to set a formula's pH or convert fatty acids into soap
Functional acrylates/c10-30 alkyl acrylate crosspolymer A synthetic polymer that thickens formulas and holds oil and water together
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional benzoic acid A preservative and pH adjuster that keeps microbes from growing in the formula
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.

Not in the library yet (5): tremella fuciformis polysaccharide, sambucus nigra flower water, coco-glucoside, glyceryl oleate, glycol distearate.

The claims, checked

The hydration claims lean on real humectants: glycerin, sodium hyaluronate, and tremella polysaccharide all hold water at the skin surface, so a toner built this way should feel more hydrating than a plain water-based one. The specific numbers behind "48-hour hydration" and the "35% instant" boost come from Thayers' own testing rather than an outside study we could check, so we can say the mechanism is real without confirming the figures. "Strengthens skin barrier" outruns the formula: there is no barrier-repair ingredient like a ceramide or niacinamide here, just hydration that supports barrier function at a remove. The alcohol-free and fragrance-free claims check out directly against the ingredient list.

Partial “48-hour hydration, tested, with a 35% instant moisture boost” Glycerin, sodium hyaluronate, and tremella polysaccharide are real humectants that hold water at the skin surface, but the 48-hour figure and the 35% number come from the brand's own in-house testing on the finished formula, not a published independent study, and no concentrations are disclosed.
Partial “Removes impurities and strengthens the skin barrier” Coco-glucoside is a mild surfactant that can lift residual impurities, but the formula has no ceramide, fatty acid, or niacinamide-type barrier-repair ingredient; the hydration from glycerin and hyaluronate supports barrier function indirectly rather than strengthening it directly.
Supported “Free from drying alcohols” The ingredient list has no denatured alcohol (alcohol denat.) or other volatile drying alcohol; the formula is water-based with glycerin as the main humectant.
Supported “Fragrance-free” No fragrance or parfum appears on the ingredient list, and sambucus nigra flower water is included as a botanical extract rather than a fragrance ingredient.
Unverifiable “98% naturally derived” This is a formula-composition claim that would require the brand's raw-material sourcing data to check; the published ingredient list alone cannot confirm what share is naturally derived.

List read from www.thayers.com/shop-all/toners/hydrating-milky-toner/12-oz. Retailer copy only; not checked against the bottle. Claims read from Thayers brand product page (thayers.com).

better Paula's Choice Enriched Calming Toner 27 ingredients · 16 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional phospholipids Lipid molecules, often lecithin-derived, used as an emulsifier and skin-conditioning agent.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional benzoic acid A preservative and pH adjuster that keeps microbes from growing in the formula

Not in the library yet (11): glycereth-26, dimethiconol, oenothera biennis oil, borago officinalis seed oil, ascorbyl palmitate, superoxide dismutase, peg-40 hydrogenated castor oil, myristamidopropyl pg-dimonium chloride phosphate, laureth-4, laureth-23, sorbic acid.

List read from incidecoder.com/products/paulas-choice-skin-recovery-enriched-calming-toner.

best Tatcha The Essence Plumping Skin Softener 7 ingredients · 3 in the library

Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (4): saccharomyces/camellia sinensis leaf/cladosiphon okamuranus/rice ferment filtrate, soy amino acids, yeast extract, sodium dilauramidoglutamide lysine.

The claims, checked

The ingredient list is short and simple: a fermented algae-rice-green tea complex, propanediol, soy amino acids, and yeast extract, with no free hyaluronic acid or glycerin listed. Green tea's antioxidant reputation has real backing, but at an undisclosed concentration inside a blended ferment, so 'plumping' and 'antiaging' land as reasonable but overstated for what is disclosed. The '98.7 percent pure' figure and the claim that it makes other products 'work better' cannot be checked against anything published.

Unverifiable “98.7 percent pure antiaging Japanese superfoods” The formula is a short eight-ingredient list built around a proprietary ferment filtrate blend (Hadasei-3), and no published breakdown discloses which fraction is the ferment complex versus water and other ingredients, so the percentage cannot be checked against the formula.
Partial “Plumps and hydrates skin” Propanediol and the algae-derived ferment filtrate can act as humectants, but there is no free hyaluronic acid or glycerin on this list, and the ferment complex carries no disclosed concentration, so the plumping effect rests on ingredients with a real but modest hydrating role rather than strong actives.
Partial “Green tea works as an antioxidant and anti-inflammatory” Camellia sinensis leaf extract has published support for antioxidant and mild anti-inflammatory effects around 1 to 5 percent standardized catechin content, but here it is one component fermented into the Hadasei-3 filtrate at an undisclosed share, so the claim outruns what the formula discloses.
Unverifiable “Makes the rest of a skincare routine work better” No published study on this formula tests whether it changes the performance of other products applied afterward, and the mechanism proposed for this is not specified.

List read from incidecoder.com/products/tatcha-the-essence-plumping-skin-softener. Claims read from Retailer/aggregator product copy (Incidecoder listing), brand's own product page was not reachable.

Ingrown hair treatment

good Tend Skin The Skin Care Solution 7 ingredients · 4 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.

Not in the library yet (3): isopropyl alcohol, acetylsalicylic acid, diglycerin.

The claims, checked

The formula's active is acetylsalicylic acid, aspirin's own compound and a cousin of the salicylic acid our library rates well for pore and texture claims, but Tend Skin does not print the concentration, so the ingrown hair and razor bump claims outrun what can be checked. "Bye, bye ingrown hairs and razor bumps" reads as a strong promise for a formula whose active dose is not on the label. The razor burn claim has no study behind it that we could find, brand or independent.

Partial “Reduces appearance of ingrown hairs” Acetylsalicylic acid is a BHA relative with a plausible exfoliant and anti-inflammatory mechanism, but the label does not disclose its concentration, and the salicylic acid dose-response evidence in our library covers salicylic acid itself at 0.5% to 2%, not this ester.
Partial “Reduces razor bumps after shaving or waxing” Same mechanism and same gap as the ingrown hair claim: acetylsalicylic acid at an undisclosed concentration, alongside isopropyl alcohol as an antiseptic astringent, rather than a formula matched to a published concentration.
Unverifiable “Reduces razor burn on legs, underarms, bikini line, chin, neck, or face” No published trial on this formula's razor burn outcomes was found, and isopropyl alcohol's role here is antiseptic and drying rather than an ingredient with evidence for burn relief specifically.

List read from incidecoder.com/products/tend-skin-solution. Claims read from Tend Skin's own product page (tendskin.com).

better Fur Ingrown Concentrate 14 ingredients · 3 in the library

Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Emerging bisabolol A chamomile-derived terpene alcohol added to calm and soothe irritated skin.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.

Not in the library yet (11): vitis vinifera seed oil, simmondsia chinensis seed oil, ricinus communis seed oil, carthamus tinctorius seed oil, prunus amygdalus dulcis oil, borago officinalis seed oil, oenothera biennis oil, calophyllum inophyllum seed oil, melaleuca alternifolia leaf oil, lavandula angustifolia oil, salvia sclarea oil.

The claims, checked

The formula is an acid-free oil blend built around bisabolol and tea tree leaf oil, both of which have some published anti-inflammatory or antimicrobial support, so the soothing and softening story has a real basis. Where the label outruns the evidence is the word "heals" and the promise to stop ingrowns outright: no concentration is disclosed for the active ingredients, and the percentages on the page come from a self-reported perception survey rather than a clinical study. "Instant relief" isn't something the underlying ingredient research actually measures. The acid-free claim itself is accurate.

Partial “Heals ingrowns and smooths bumps” Bisabolol and melaleuca alternifolia (tea tree) leaf oil have published anti-inflammatory and antimicrobial activity that fits reduced redness and bumps, but neither concentration is disclosed here, and no published work shows this oil blend healing existing ingrown hairs.
Partial “Stops ingrowns without acids” The INCI list has no salicylic, glycolic, or other exfoliating acid, so the acid-free part checks out, but stopping new ingrown hairs from forming is not backed by any cited study for this formula.
Unverifiable “95% agreed it soothes irritation caused by hair removal” This is a self-reported consumer perception figure, not a controlled clinical study, and the bisabolol concentration that would drive a soothing effect is not disclosed.
Unverifiable “86% agreed it softens skin and hair to help trapped hair surface” Plausible from the oil blend (jojoba, castor, safflower, almond oils are all emollient), but the figure comes from an undisclosed in-house perception panel rather than a published or independently reviewed trial.
Unsupported “Provides instant relief from redness and irritation” The bisabolol evidence in our library describes short-term studies measuring change over a period of use, not an instant effect, and no timeframe data is cited for this product.

Brand evidence: In-house consumer perception survey (95%/90%/86% agreement figures cited on the product page) (This is a self-report panel about how the product felt to users, not a controlled or independently published study, and it doesn't report the concentration of any active ingredient.)

List read from incidecoder.com/products/fur-ingrown-concentrate. Claims read from Fur's own product page for Ingrown Concentrate (furyou.com).

best Paula's Choice Weightless Body Treatment 2% BHA 28 ingredients · 14 in the library

Strong salicylic acid An oil-soluble exfoliant that gets into the pore.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Emerging bisabolol A chamomile-derived terpene alcohol added to calm and soothe irritated skin.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (14): ppg-14 butyl ether, chamomilla recutita flower extract, epilobium angustifolium flower/leaf/stem extract, camellia oleifera leaf extract, vanilla planifolia fruit extract, cyclohexasiloxane, dimethiconol, peg-40 stearate, sorbitan stearate, pvm/ma decadiene crosspolymer, polyacrylamide, c13-14 isoparaffin, laureth-7, hexylene glycol.

The claims, checked

The 2% salicylic acid backing this treatment sits right at the strength controlled trials have tested for smoother, less bumpy skin, so the exfoliation claim holds. "Radiant" is doing marketing work the studies do not measure. The alcohol-free claim checks out against the ingredient list.

Supported “Gently exfoliates built-up layers of dead skin” Salicylic acid is listed at what the label calls 2%, the top of the OTC range where controlled trials show comedone reduction and texture improvement.
Partial “Reveals radiant, smooth skin underneath” Texture smoothing from 2% salicylic acid has trial support, but 'radiant' describes a glow effect that the cited exfoliation evidence does not measure.
Supported “Alcohol-free formula, gentle enough for regular use” The verified ingredient list has no denatured alcohol, consistent with the alcohol-free claim; the surrounding humectants (butylene glycol, hexylene glycol) support the gentle-use framing.

List read from incidecoder.com/products/paulas-choice-weightless-body-treatment-with-2-bha. Retailer copy only; not checked against the bottle. Claims read from IncideCoder product listing (brand product page and Ulta listing returned 404).

Mineral sunscreen

good CeraVe Hydrating Mineral Sunscreen SPF 50 Face Lotion 45 ingredients · 31 in the library

Strong zinc oxide The broad-spectrum mineral sunscreen filter.
Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Moderate ceramide ap A lab-made ceramide that mimics the skin's own barrier lipids in a moisturizer.
Moderate ceramide eop A lab-made lipid that mimics skin's own ceramides, used to reinforce the moisture barrier
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional titanium dioxide A mineral pigment that scatters UV and visible light, used as a sunscreen filter and white opacifier
Functional c12-15 alkyl benzoate A lightweight ester emollient that smooths texture and helps other ingredients spread evenly
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional peg-100 stearate A waxy emulsifier that blends oil and water phases into a stable cream or lotion
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional sodium lauroyl lactylate Anionic surfactant and emulsifier made from lactic acid and lauric acid, stabilizes formulas.
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional palmitic acid A saturated fatty acid, naturally found in skin, used as an emollient and cleansing base.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.
Functional hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer A synthetic polymer that thickens water phases and stabilizes emulsions without added surfactant.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional phytosphingosine A naturally derived sphingoid lipid used to support and mimic skin barrier structure.
Functional polysorbate 60 A nonionic emulsifier and solubilizer that lets oil and water phases mix in a formula.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel

Not in the library yet (14): isododecane, styrene/acrylates copolymer, butyloctyl salicylate, dicaprylyl carbonate, aluminum hydroxide, sorbitan stearate, peg-8 laurate, sorbitan isostearate, ceteareth-20, triethoxycaprylylsilane, dimethiconol, sodium dodecylbenzenesulfonate, myristic acid, polyhydroxystearic acid.

List read from incidecoder.com/products/cerave-hydrating-sunscreen-face-lotion-broad-spectrum-spf-50.

better EltaMD UV Physical Broad-Spectrum SPF 41 22 ingredients · 8 in the library

Strong zinc oxide The broad-spectrum mineral sunscreen filter.
Emerging bisabolol A chamomile-derived terpene alcohol added to calm and soothe irritated skin.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional titanium dioxide A mineral pigment that scatters UV and visible light, used as a sunscreen filter and white opacifier
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas

Not in the library yet (14): isopropyl palmitate, ethylhexyl stearate, octyldodecyl neopentanoate, alumina, polyacrylate-13, hydrogen dimethicone, polyisobutene, hydrogenated polyisobutene, triethoxycaprylylsilane, oleth-3 phosphate, carnosine, sorbitan isostearate, zingiber officinale root extract, iron oxides.

The claims, checked

The core sunscreen claim holds. Zinc oxide and titanium dioxide at these percentages back a broad-spectrum, all-mineral formula with no chemical filters mixed in. The "hypoallergenic" and redness-calming language leans on bisabolol, which has real but thin evidence and no stated concentration here, so treat that part as a bonus rather than a proven effect. The water-resistance and 40-minute reapply figure is a labeled testing claim we can't check against published data.

Supported “Broad Spectrum SPF 41, protects against UVA and UVB rays” Zinc oxide at 9.0% and titanium dioxide at 7.0% together cover the UVA/UVB range, and this active combination and level is the standard basis for a broad-spectrum SPF rating.
Supported “100% mineral, all-mineral active sunscreen” The declared actives are zinc oxide and titanium dioxide only, with no chemical UV filters (avobenzone, octinoxate, etc.) in the ingredient list.
Partial “Formulated for sensitive skin, hypoallergenic and non-comedogenic” Mineral actives and the absence of common chemical filters support a lower irritation profile, but bisabolol, the ingredient carrying the calming claim, has a thin evidence base at trace concentrations and no disclosed percentage here, so the broader sensitive-skin claim outruns what is confirmed for this specific formula.
Unverifiable “Withstands water and sweat, reapply after 40 minutes of swimming or sweating” Water-resistance testing and duration are FDA-regulated claims tied to a specific test protocol, and the product page states the reapply interval without publishing the underlying test data.
Partial “Bisabolol helps calm skin and visibly reduce redness” Small studies show bisabolol near 0.5% can lower redness when paired with an irritant, but the trial base is thin, supplier-run, and does not confirm an effect at the trace amount typical of a finished sunscreen, and this formula does not disclose its bisabolol concentration.

List read from eltamd.com/products/eltamd-uv-physical-broad-spectrum-spf-41. Retailer copy only; not checked against the bottle. Claims read from EltaMD's own product page for UV Physical Broad-Spectrum SPF 41.

best SkinCeuticals Physical Fusion UV Defense SPF 50 38 ingredients · 9 in the library

Strong zinc oxide The broad-spectrum mineral sunscreen filter.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional titanium dioxide A mineral pigment that scatters UV and visible light, used as a sunscreen filter and white opacifier
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional c12-15 alkyl benzoate A lightweight ester emollient that smooths texture and helps other ingredients spread evenly
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional benzoic acid A preservative and pH adjuster that keeps microbes from growing in the formula

Not in the library yet (29): isododecane, undecane, triethylhexanoin, isohexadecane, nylon-12, caprylyl methicone, butyloctyl salicylate, phenethyl benzoate, styrene/acrylates copolymer, silica, tridecane, dicaprylyl carbonate, dicaprylyl ether, talc, dimethicone/peg-10/15 crosspolymer, aluminum stearate, peg-9 polydimethylsiloxyethyl dimethicone, alumina, polyhydroxystearic acid, magnesium sulfate, iron oxides, peg-8 laurate, disteardimonium hectorite, triethoxycaprylylsilane, propylene carbonate, artemia extract, peg-9, disodium stearoyl glutamate, aluminum hydroxide.

The claims, checked

The mineral filter math checks out: titanium dioxide and zinc oxide together land around 11%, enough to support the broad-spectrum SPF 50 claim, and the formula really is fragrance-free with no essential oils, which fits the sensitive-skin pitch. The "universal tint" language outruns what one shade of iron oxide can do across different skin tones. The water-resistance claim could not be checked this round because the brand's own page would not load.

Supported “Broad-spectrum SPF 50 mineral protection” Titanium dioxide (6.0%) and zinc oxide (4.98%) together give roughly 11% mineral filter, and both are established broad-spectrum UV filters at the concentrations disclosed.
Supported “Formulated for dry, sensitive skin, fragrance and essential oil-free” The INCI list has no fragrance ingredient, essential oil, or denatured alcohol, matching the retailer's fragrance-free and alcohol-free description.
Partial “Sheer, universal tint that blends into skin without a white cast” Iron oxides are in the formula and do tint against the chalky look of unmixed titanium dioxide and zinc oxide, but one shade sold as universal will not sit true on the full range of skin tones, and no shade-match study was reachable.
Unverifiable “Water-resistant sun protection” Neither the retailer listing nor the ingredient database reachable this session states a water-resistance duration, so the claim cannot be checked against a number.

List read from incidecoder.com/products/skinceuticals-physical-fusion-uv-defense-spf-50. Claims read from IncideCoder product and ingredient listing, with a Dermstore retailer search page (SkinCeuticals' own product page returned a 403 and could not be read).

Niacinamide serum

good The Ordinary Niacinamide 10% + Zinc 1% 11 ingredients · 5 in the library

Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.

Not in the library yet (6): zinc pca, tamarindus indica seed gum, carrageenan, acacia senegal gum, cocoyl proline, ethoxydiglycol.

The claims, checked

The formula does contain niacinamide and zinc PCA, so the ingredients match what the label promises. Most of the backing evidence for niacinamide comes from studies at 2% to 5%, well under this product's 10%, so claims about barrier strength, texture, and tone are real mechanisms stretched past their tested dose. The pore and sebum claims lean on zinc PCA, which has no concentration-matched published study behind it here. The one named study, 35 subjects over 8 weeks, only covers whether the product clogs pores, not whether it brightens or smooths skin.

Partial “Strengthens the skin's moisture barrier” Niacinamide barrier improvements were shown at 2% to 5% in controlled trials; this formula runs at 10%, a dose those trials did not test.
Partial “Improves the look of skin texture within 1 week” Niacinamide texture benefits are documented at low-dose (2% to 5%) over longer courses; the 1-week window and 10% concentration both outrun the cited trial conditions.
Unverifiable “Reduces the appearance of pores and regulates excess sebum” Zinc PCA sits at 1% in the INCI list, but no published trial for zinc PCA at this concentration is named or in our evidence library, so the pore and sebum claim can't be checked against a specific study.
Partial “Enhances brightness and targets dullness or uneven tone” The hyperpigmentation and tone evidence for niacinamide comes from 2% to 5% trials; a 10% formula rides on that lower-dose evidence rather than evidence of its own.
Unverifiable “Non-comedogenic, tested in an 8-week clinical study” The brand cites an internal 35-subject, 8-week test for the non-comedogenic claim, but doesn't name or publish it, so it can't be checked as a real, independent study.

Brand evidence: The Ordinary, internal clinical study, 35 subjects, 2x daily for 8 weeks (This study is cited only to support the non-comedogenic claim, not the brightening, texture, or pore claims it sits next to on the page.)

List read from incidecoder.com/products/the-ordinary-niacinamide-10-zinc-1. Claims read from The Ordinary's product page (theordinary.com).

better Paula's Choice 10% Niacinamide Booster 23 ingredients · 13 in the library

Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Strong glycerin The workhorse humectant almost everything is built on.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (10): acetyl glucosamine, ascorbyl glucoside, boerhavia diffusa root extract, dipotassium glycyrrhizate, glycyrrhiza glabra root extract, ubiquinone, epigallocatechin gallate, beta-glucan, carnosine, genistein.

The claims, checked

The niacinamide here sits at 10%, well above the 2% to 5% range the controlled trials used for tone and barrier improvements, so the pore and post-breakout claims lean on evidence for a lower dose than what's in the bottle. The "fights multiple signs of aging" line rests on a mix of undisclosed-concentration extras, which leaves it without a study to point to. The calming and hydrating language describes real ingredient categories but not amounts we can check.

Partial “Visibly minimizes the look of enlarged pores” Niacinamide is confirmed in the formula but only at 10%, above the 2% to 5% range the controlled trials used; pore appearance is a secondary outcome in that lower-dose evidence, not a dedicated finding at this concentration.
Partial “Reduces the look of post-breakout marks” Published niacinamide trials at 2% to 5% show improvement in hyperpigmentation, so the mechanism is real, but no published work backs the 10% dose specifically, and other actives here (ascorbyl glucoside, licorice root extract) are undisclosed in concentration.
Unsupported “Fights multiple signs of aging and improves texture” This is a broad claim resting on a mix of niacinamide, panthenol, and antioxidants (ubiquinone, EGCG, genistein) at undisclosed concentrations; no study covers this specific combination or dose.
Unverifiable “Calms and hydrates skin, restoring radiance” Allantoin, panthenol, beta-glucan, and glycerin are plausible soothing and humectant agents, but their concentrations are not disclosed, so the claim can't be checked against a specific dose.

List read from incidecoder.com/products/paulas-choice-resist-10-niacinamide-booster. Claims read from Paula's Choice retailer/reference listing (IncideCoder product page), brand site product page unreachable this session.

best SkinCeuticals Metacell Renewal B3 31 ingredients · 12 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas

Not in the library yet (19): dimethicone/peg-10/15 crosspolymer, methylsilanol/silicate crosspolymer, sodium chloride, polymethylsilsesquioxane, microcrystalline cellulose, ci 77163, ethylhexyl hydroxystearate, peg-10 dimethicone, cellulose gum, laminaria digitata extract, dipropylene glycol, citrus aurantium amara flower oil, melaleuca viridiflora leaf oil, tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, linalool, cymbopogon schoenanthus oil, magnesium chloride, citral, pelargonium graveolens flower oil.

List read from incidecoder.com/products/skinceuticals-metacell-renewal-b3. Retailer copy only; not checked against the bottle.

Oil free moisturizer

good La Roche-Posay Effaclar Mat Oil-Free Mattifying Moisturizer 23 ingredients · 13 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong salicylic acid An oil-soluble exfoliant that gets into the pore.
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional peg-100 stearate A waxy emulsifier that blends oil and water phases into a stable cream or lotion
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional triethanolamine An alkaline pH adjuster that also helps emulsify oil and water in a formula
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.
Functional acrylates/c10-30 alkyl acrylate crosspolymer A synthetic polymer that thickens formulas and holds oil and water together

Not in the library yet (10): isocetyl stearate, silica, dimethicone/vinyl dimethicone crosspolymer, acrylamide/sodium acryloyldimethyltaurate copolymer, methyl methacrylate crosspolymer, cocamide mea, sarcosine, isohexadecane, perlite, capryloyl salicylic acid.

List read from incidecoder.com/products/la-roche-posay-effaclar-mat-2.

better Paula's Choice CLEAR Oil-Free Moisturizer 34 ingredients · 22 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Moderate ceramide ap A lab-made ceramide that mimics the skin's own barrier lipids in a moisturizer.
Moderate ceramide eop A lab-made lipid that mimics skin's own ceramides, used to reinforce the moisture barrier
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional peg-100 stearate A waxy emulsifier that blends oil and water phases into a stable cream or lotion
Functional phytosphingosine A naturally derived sphingoid lipid used to support and mimic skin barrier structure.
Functional cholesterol A naturally occurring lipid, added to restore and reinforce the skin's own barrier structure
Functional sodium pca A salt of pyrrolidone carboxylic acid, part of skin's natural moisturizing factor, used as a humectant.
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional sodium lauroyl lactylate Anionic surfactant and emulsifier made from lactic acid and lauric acid, stabilizes formulas.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel

Not in the library yet (12): ethyl macadamiate, triethylhexanoin, sodium acrylates copolymer, glycyrrhiza glabra root extract, hydrolyzed pumpkin seedcake, vaccinium angustifolium fruit extract, euterpe oleracea fruit extract, prunus serotina fruit extract, tripeptide-29, arginine, sodium gluconate, isohexadecane.

List read from incidecoder.com/products/paulas-choice-clear-oil-free-moisturizer.

best SkinCeuticals Daily Moisture 39 ingredients · 18 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Moderate sodium hyaluronate A humectant that holds water at the surface.
Emerging bisabolol A chamomile-derived terpene alcohol added to calm and soothe irritated skin.
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional palmitic acid A saturated fatty acid, naturally found in skin, used as an emollient and cleansing base.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional peg-100 stearate A waxy emulsifier that blends oil and water phases into a stable cream or lotion
Functional glyceryl stearate A fatty acid ester of glycerin used as an emulsifier and skin-conditioning agent.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional triethanolamine An alkaline pH adjuster that also helps emulsify oil and water in a formula
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.

Not in the library yet (21): cetyl palmitate, hypnea musciformis extract, glycol distearate, sargassum filipendula extract, glycine soja oil, sorbitol, gelidiella acerosa extract, hamamelis virginiana water, methylparaben, myristic acid, chamomilla recutita flower extract, butylparaben, cymbopogon schoenanthus extract, macrocystis pyrifera extract, hibiscus sabdariffa extract, ethylparaben, propylparaben, poterium officinale root extract, zingiber officinale root extract, cinnamomum cassia bark extract, cinnamal.

The claims, checked

The moisture and smooth-finish claims line up with what's in the jar: glycerin, panthenol, and a volatile silicone do what they're described as doing. The 'high levels' of vitamin E and the algae-protein story don't have concentrations behind them, so there's no way to weigh them against the wording. The 'free from parabens and silicones' claim doesn't hold up against the ingredient list, which lists both.

Partial “Hydrates, nourishes, and helps reduce the appearance of pore size” Glycerin, sorbitol, and panthenol sit high enough on the ingredient list to hydrate, but the pore-size effect traces mainly to cyclopentasiloxane's temporary smoothing film, not a lasting change in pore appearance.
Unsupported “High levels of pure vitamin E heal and protect” Tocopheryl acetate sits low in the ingredient list (11th of 39), which reads as a modest amount rather than the 'high levels' the claim states, and it must convert to free tocopherol in skin to act as an antioxidant, a conversion that is inconsistent.
Unverifiable “Brazilian sea algae deliver proteins, amino acids, and essential minerals” Hypnea musciformis, sargassum filipendula, and macrocystis pyrifera extracts are present but no concentration is disclosed and the ingredient library has no dedicated evidence entry for these algae extracts.
Unsupported “Free from parabens, mineral oils, and silicones” The verified ingredient list contains four parabens (methylparaben, butylparaben, ethylparaben, propylparaben) and the silicone cyclopentasiloxane, directly contradicting this claim.
Supported “Leaves a smooth, non-greasy finish” Cyclopentasiloxane is a volatile silicone documented to spread product into a thin film and evaporate, which is the mechanism behind a smooth, non-greasy after-feel.

List read from incidecoder.com/products/skinceuticals-daily-moisture. Claims read from Claims read from a retailer/ingredient-database listing (incidecoder.com product page copy); the brand's own site returned a 403 and could not be reached..

Peptide eye cream

good The Ordinary Multi-Peptide Eye Serum 33 ingredients · 13 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.

Not in the library yet (20): dipropylene glycol, acetyl glucosamine, palmitoyl tripeptide-38, acetyl tetrapeptide-5, myristoyl nonapeptide-3, dipeptide diaminobutyroyl benzylamide diacetate, caffeine, epigallocatechin gallatyl glucoside, gallyl glucoside, fraxinus excelsior bark extract, silanetriol, arginine, hydroxymethoxyphenyl decanone, propyl gallate, hydroxypropyl cyclodextrin, hydroxyethylcellulose, glycolic acid, trisodium ethylenediamine disuccinate, dehydroacetic acid, benzyl alcohol.

The claims, checked

The wrinkle and brightness claims rest on real mechanisms (peptide signaling, niacinamide) but the label withholds concentrations, so we can't check the claims against the dose the studies actually used. The puffiness and dark circle claims outrun what's in the bottle: caffeine's dose is undisclosed, and nothing in the formula has published evidence for dark circles specifically. The brand's own 4-week test is the main backing offered, and it's small and unpublished rather than independently verified.

Partial “Reduces the look of crow's feet and under-eye wrinkles” The brand cites its own 4-week, 48-subject test, not an independently published trial, and the peptide blend (palmitoyl tripeptide-38, acetyl tetrapeptide-5, myristoyl nonapeptide-3) carries no disclosed concentrations to check against outside evidence.
Unverifiable “Reduces eye bags and puffiness” Caffeine is listed but at no disclosed concentration, and it sits low enough in the ingredient list that dose cannot be estimated against the literature on caffeine and puffiness.
Unsupported “Reduces the look of dark circles” Dark circles are mostly pigment or vascular in origin, and none of the formula's actives (the peptide blend, niacinamide, caffeine) have published evidence targeting that mechanism.
Partial “Leaves the eye area brighter and smoother” Niacinamide has strong published evidence for brightening at 2% to 5%, and it sits high enough on the ingredient list to plausibly be in that range, but the label does not disclose the concentration.

Brand evidence: The Ordinary in-house test, 48 subjects, twice-daily use over 4 weeks (Short, small, and run by the brand rather than published in a peer-reviewed journal, so it supports a modest observation, not the broader anti-aging claim it is attached to.)

List read from theordinary.com/en-us/multi-peptide-eye-serum-100620.html. Claims read from The Ordinary's own product page.

better The INKEY List Caffeine Eye Cream 31 ingredients · 15 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer A synthetic polymer that thickens water phases and stabilizes emulsions without added surfactant.
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional polysorbate 60 A nonionic emulsifier and solubilizer that lets oil and water phases mix in a formula.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (16): dicaprylyl carbonate, polyglyceryl-6 distearate, jojoba esters, glyceryl dibehenate, albizia julibrissin bark extract, caffeine, polyglyceryl-3 beeswax, tribehenin, glycine soja extract, glyceryl behenate, glycolipids, glycine soja sterols, leuconostoc/radish root ferment filtrate, darutoside, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1.

The claims, checked

The caffeine and peptide combination here has a real, if modest, mechanism behind it: caffeine can help with fluid retention, and Matrixyl-type peptides have some collagen-signaling data. Where the label outruns the evidence is the phrase 'clinically proven,' which rests on one in-house study of 22 people rather than independent research, and the caffeine concentration (0.3%) is on the low end of what the puffiness literature tests. The albizia extract claim about eye fatigue has no independent evidence either way, since no concentration is disclosed. The hydration ingredients (glycerin, squalane, hyaluronic acid) are the most solidly backed part of the formula.

Partial “Clinically proven to reduce under-eye bags and dark circles from 1st use” Caffeine at 0.3% has a real decongestant mechanism, but the concentration sits below what most published caffeine-and-puffiness studies test, and the backing here is an in-house study of 22 people, not independent peer-reviewed work.
Partial “Stimulates collagen production for firmer, smoother appearance” Palmitoyl tetrapeptide-7 and palmitoyl tripeptide-1 (the Matrixyl 3000 pairing) have cosmetic-industry-sponsored data suggesting collagen signaling, but independent trials on this exact combination are thin, so the mechanism is plausible while the certainty in the wording outruns it.
Unverifiable “Diminishes signs of eye fatigue for brighter eyes” Albizia julibrissin bark extract has no disclosed concentration and no independent published evidence tying it to under-eye fatigue, so the claim cannot be checked either way.
Partial “Clinically proven to deliver instant hydration” Glycerin, squalane, and hyaluronic acid are well-established humectants and do support hydration, but the 95% figure is a self-report from the same 22-person in-house study, not instrumented skin measurement.

Brand evidence: INKEY List in-house study, 22 subjects, under dermatological and ophthalmological control (A single small in-house study is used to back four separate claims (puffiness, dark circles, texture, hydration). It is self-report percentages rather than instrumented before/after measurement, and the sample is too small to carry the certainty in 'clinically proven.')

List read from incidecoder.com/products/inkey-caffeine-eye-cream. Claims read from The INKEY List's own product page for the Caffeine Eye Cream.

best Dr Dennis Gross Advanced Retinol + Ferulic Triple Correction Eye Serum 38 ingredients · 18 in the library

Strong retinol The reference topical for photoaging, a vitamin A derivative.
Strong salicylic acid An oil-soluble exfoliant that gets into the pore.
Strong glycerin The workhorse humectant almost everything is built on.
Moderate camellia sinensis leaf extract A green tea leaf extract added as a polyphenol-rich antioxidant to protect skin from oxidative stress.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional potassium hydroxide A strong alkali used in small amounts to set a formula's pH or convert fatty acids into soap
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder
Functional polysorbate 20 An emulsifier and solubilizer that helps oil-soluble ingredients like fragrance and essential oils disperse evenly in water-based formulas
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.

Not in the library yet (20): ethoxydiglycol, bakuchiol, nephelium lappaceum leaf extract, ferulic acid, ubiquinone, quercetin, saccharide isomerate, centella asiatica extract, caffeine, salix alba bark extract, arctostaphylos uva-ursi leaf extract, morus alba bark extract, glycyrrhiza glabra root extract, potassium azeloyl diglycinate, glycolic acid, tetrapeptide-21, leuconostoc/radish root ferment filtrate, mandelic acid, pvm/ma decadiene crosspolymer, iron oxides ci 77491 ci 77492.

The claims, checked

The hydration promise holds up: this formula is loaded with humectants that would plausibly deliver an immediate, temporary plump. The firming, fine-line, and radiance claims lean on the brand's own percentages rather than a named, dosed study, and the retinol and bakuchiol blend discloses no concentration, so "clinically proven" here means proven on this formula's own terms, not benchmarked against the published retinol literature.

Partial “Clinically proven to visibly firm the eye area after 2 weeks” Retinol and bakuchiol both have firming evidence at disclosed concentrations, but this formula lists no percentage for either, so the claim rests on the brand's own in-house result rather than a published, dosed study.
Partial “Clinically proven to significantly improve fine lines in 1 week” A one-week timeframe is fast for retinoid-driven collagen change and more consistent with the hydrators (sodium hyaluronate, saccharide isomerate, glycerin) plumping fine lines than with retinol remodeling skin.
Supported “Boosts hydration, with 87% seeing immediate hydration” The formula carries multiple humectants and lipids that plausibly hydrate on contact: sodium hyaluronate, saccharide isomerate, glycerin, panthenol, and phospholipids.
Unverifiable “Clinically proven to boost radiance after just 1 use” No concentration is disclosed for the ferulic acid, quercetin, or camellia sinensis antioxidants that would drive a radiance effect, and the brand names no independent study, only its own percentage result.
Unverifiable “Visibly lifts and firms, reduces sagging” Tetrapeptide-21 is present, but the ingredients library notes peptide firming evidence is thin even at known doses, and this product discloses no concentration for the peptide or the retinol blend behind the lift claim.

Brand evidence: Brand-reported in-house result: 91% saw an immediately softer, more supple, replenished eye area (No study name, sample, or design is published alongside the percentage, so it cannot be checked against the claim it supports.) · Brand-reported in-house result: 87% experienced immediate hydration (The hydration claim matches what the formula's humectant load would plausibly produce, even without a named published study.)

List read from incidecoder.com/products/dr-dennis-gross-skincare-advanced-retinol-ferulic-triple-correction-eye-serum. Claims read from Brand product page (drdennisgross.com).

Post shave balm

good Nivea Men Sensitive Post Shave Balm 14 ingredients · 8 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.

Not in the library yet (6): isopropyl palmitate, chamomilla recutita flower extract, tapioca starch, triceteareth-4 phosphate, pantolactone, piroctone olamine.

The claims, checked

The moisture and paraben/alcohol-free claims line up with what's actually in the formula. The soothing claim for shave-specific irritation reaches further than the ingredients can back on their own: chamomile extract and panthenol calm skin in general, but nothing here is dosed or tested for burning, micro cuts, or stubble itch specifically. "Dermatologically tested" is a real claim brands make often, but without a named study there's no way to weigh it.

Supported “Moisturizes and helps protect skin from dryness” Glycerin sits second on the list and panthenol plus tocopheryl acetate back it up, a combination with solid evidence for hydration and reduced water loss at typical use levels.
Partial “Soothes sensitive skin after shaving, easing burning, micro cuts, tightness, stubble itch” Chamomilla recutita flower extract and panthenol both have real calming and barrier support behind them, but the extract's concentration is not disclosed and no cited work tests this formula against shave-specific irritation like micro cuts or stubble itch.
Supported “Formulated without parabens and drying alcohols” The published INCI list carries no paraben preservative and no denatured or ethyl alcohol; phenoxyethanol handles preservation instead.
Unverifiable “Dermatologically tested on men with sensitive skin” This is an in-house testing claim with no published study named, so the design and results cannot be checked against the wording.

List read from www.niveausa.com/products/sensitive-post-shave-balm-0721408130620079.html. Retailer copy only; not checked against the bottle. Claims read from Brand product page (niveausa.com).

better Proraso After Shave Balm Protective and Nourishing 23 ingredients · 9 in the library

Strong glycerin The workhorse humectant almost everything is built on.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional acrylates/c10-30 alkyl acrylate crosspolymer A synthetic polymer that thickens formulas and holds oil and water together
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas

Not in the library yet (14): prunus amygdalus dulcis oil, oryza sativa starch, betaine, dodecane, butyrospermum parkii oil, santalum album oil, sodium cocoyl glutamate, benzyl alcohol, tetrasodium glutamate diacetate, coumarin, linalool, geraniol, citronellol, alpha-isomethyl ionone.

The claims, checked

The moisturizing claim holds up: glycerin plus shea and almond oil is a reasonable, ingredient-backed way to soften skin after a shave, and the formula really is free of alcohol. The 'thick beard' and 'nourishing' language leans on sandalwood oil and vitamin E at concentrations the label does not share, so those parts of the pitch cannot be checked against evidence, only against what is plausible for the ingredient class.

Supported “Moisturizes and softens skin after shaving” Glycerin sits near the top of the INCI list as a humectant, backed by shea oil (butyrospermum parkii) and sweet almond oil (prunus amygdalus dulcis) as emollients, which is a standard and evidenced approach to post-shave moisturizing.
Supported “Alcohol-free formula” No denatured alcohol (alcohol denat.) appears anywhere in the INCI list, so the claim matches the formula as declared.
Partial “Especially suited for thick beards / soothes irritation after shaving” The emollient and humectant base plausibly eases post-shave dryness, but nothing in the formula (no listed anti-inflammatory actives at stated concentrations) is tied to published evidence for thick-beard use specifically, so the claim outruns what can be checked.
Unverifiable “Nourishing with sandalwood and vitamin E” Santalum album oil and tocopheryl acetate are both present, but their concentrations are undisclosed, and the retailer listing gives no source study connecting this formula's sandalwood level to a nourishing effect.

List read from incidecoder.com/products/proraso-after-shave-balm-sandalwood. Retailer copy only; not checked against the bottle. Claims read from Retailer/ingredient listing (incidecoder product page); Proraso's own brand page would not load over this connection.

best Baxter of California After Shave Balm 27 ingredients · 15 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.
Functional acrylates/c10-30 alkyl acrylate crosspolymer A synthetic polymer that thickens formulas and holds oil and water together
Functional triethanolamine An alkaline pH adjuster that also helps emulsify oil and water in a formula
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.

Not in the library yet (12): methyl gluceth-20, menthol, linalool, citral, benzophenone-4, aloe barbadensis leaf juice, peg-30 dipolyhydroxystearate, trideceth-6, geraniol, citronellol, coumarin, ci 42053.

List read from baxterofcalifornia.com/products/after-shave-balm.

Retinoid treatment

good The Ordinary Retinal 0.2% Emulsion 31 ingredients · 14 in the library

Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
Emerging bisabolol A chamomile-derived terpene alcohol added to calm and soothe irritated skin.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder
Functional hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer A synthetic polymer that thickens water phases and stabilizes emulsions without added surfactant.
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional polysorbate 60 A nonionic emulsifier and solubilizer that lets oil and water phases mix in a formula.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional chlorphenesin A preservative and antimicrobial that keeps formulas free of bacteria and fungi.

Not in the library yet (17): coco-caprylate/caprate, hydroxyapatite, retinal, cetylhydroxyproline palmitamide, 4-t-butylcyclohexanol, hydroxyphenyl propamidobenzoic acid, ergothioneine, biosaccharide gum-1, brassica campestris sterols, zingiber officinale root extract, isohexadecane, hexyldecanol, caesalpinia spinosa gum, polyacrylate crosspolymer-6, isoceteth-20, ascorbyl palmitate, sodium lactate.

The claims, checked

The retinal-versus-retinol conversion story checks out: one less metabolic step is just biochemistry, not spin. The firming, dark spot, and wrinkle claims lean on real retinoid science, but the human trials behind that science mostly used retinaldehyde at 0.05 to 0.1 percent, and this emulsion is dosed at 0.2 percent, a strength nobody seems to have published a trial on. "Boosts luminosity" is the softest claim here, more feeling than measurement.

Partial “Rapidly firms and smooths skin” Retinaldehyde has published firming data, but the split-face trials behind that evidence used 0.05 to 0.1 percent, not the 0.2 percent in this emulsion. No published trial covers this exact concentration.
Partial “Noticeably reduces the appearance of dark spots” Retinoids as a class have evidence for improving hyperpigmentation through faster cell turnover, but the dose-response at 0.2 percent retinal specifically has not been published, so the size of the effect at this strength is unverified.
Partial “Improves the look of lines and wrinkles” The wrinkle-reduction literature for retinaldehyde (for example Diridollou et al.) was run at roughly 0.05 percent over 4 to 6 months, well below the 0.2 percent here, so the mechanism is real but the wording claims more than that dose has been tested for.
Supported “One conversion step closer to the bioactive form of vitamin A than retinol, for more efficient delivery” This is a metabolic fact: retinaldehyde needs one oxidation step to become retinoic acid, while retinol needs two, and this pathway is established in skin metabolism research.
Unverifiable “Boosts luminosity for brighter, more even-looking skin” Luminosity and brightness are not standard endpoints in the retinoid literature, and no concentration or study is cited to check this specific wording against.

List read from incidecoder.com/products/the-ordinary-retinal-0-2-emulsion. Claims read from The Ordinary's own product page for Retinal 0.2% Emulsion.

better Medik8 Crystal Retinal 6 Serum 40 ingredients · 14 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer A synthetic polymer that thickens water phases and stabilizes emulsions without added surfactant.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional polysorbate 60 A nonionic emulsifier and solubilizer that lets oil and water phases mix in a formula.

Not in the library yet (26): isododecane, cetearyl olivate, sodium acrylate/sodium acryloyldimethyl taurate copolymer, cyclodextrin, sorbitan olivate, hydroxyacetophenone, 3-o-ethyl ascorbic acid, hydroxypropyl methylcellulose, tetrahexyldecyl ascorbate, rubus chamaemorus seed oil, daucus carota sativa seed oil, retinal, alumina, isostearic acid, sodium polyaspartate, polyglyceryl-3 polyricinoleate, lonicera japonica flower extract, lonicera caprifolium flower extract, polyhydroxystearic acid, sorbitan isostearate, bht, vanilla planifolia fruit extract, dipteryx odorata bean extract, coumarin, red 4, titanium dioxide/ci 77891.

The claims, checked

The core idea holds up: retinaldehyde is a legitimate retinoid, and the 0.06% concentration sits in a reasonable range for the ingredient. Where the label outruns the evidence is in specifics: the '7 days,' the '11x faster,' and the wrinkle/firmness/pigmentation percentages all trace back to one small, unpublished, brand-run study rather than independent research. 'Clinically proven' is doing more work here than the underlying study can support.

Partial “Visibly smooths wrinkles and improves skin smoothness in as little as 7 days” Retinal (retinaldehyde) at 0.06% is a real retinoid with a plausible mechanism, but the 7-day timeline comes from the brand's own unpublished 12-week study, not independent literature, which generally shows retinoid effects building over 12+ weeks.
Partial “Brightens dark spots and reduces visible hyperpigmentation” The 20% figure traces to the brand's in-house 33-person study rather than a peer-reviewed trial at 0.06% retinaldehyde, so the direction is credible but the size of the effect is not independently confirmed.
Unsupported “Firms the appearance of skin” The only figure behind this (11% increase in firmness) comes from the brand's unpublished study; no independent trial on retinaldehyde at this concentration backs a firming claim.
Unverifiable “Retinal acts 11x faster than standard retinol” Retinaldehyde does need one less enzymatic conversion step than retinol on its way to retinoic acid, which is mechanistically real, but no independent published work supports the specific 11x figure.
Partial “Gentle on skin, without irritation” Retinaldehyde is generally better tolerated than tretinoin in the literature, but the '100% felt it was gentle' figure is self-reported and comes from the brand's own short, unpublished study rather than a controlled tolerability trial.

Brand evidence: Medik8 in-house study, 33 participants, 12 weeks (unpublished, no journal or authors named) (This is the brand's own commissioned study, not a peer-reviewed trial, and it is used to back wrinkle, pigmentation, firmness, and speed-of-results claims all at once without published methodology to check any of them against.)

List read from incidecoder.com/products/medik8-crystal-retinal-6-3. Claims read from Medik8's own product page for Crystal Retinal 6, fetched directly.

best Dr. Dennis Gross Advanced Retinol + Ferulic Intense Wrinkle Cream 63 ingredients · 24 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong retinol The reference topical for photoaging, a vitamin A derivative.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional butyrospermum parkii butter Fat pressed from shea tree nuts, used as an emollient and thickener for texture and softening.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional cetyl alcohol A fatty alcohol from coconut or palm oil that thickens, emulsifies, and softens formulas.
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional sodium hyaluronate crosspolymer A crosslinked form of hyaluronic acid used to build gel texture and film on skin
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.

The claims, checked

The retinol and ferulic acid pairing is a real, well-studied approach to fine lines, but this product does not say what percentage of retinol it uses, so the strength of the effect cannot be checked. The "24 hours of hydration" and "clinicals" language points to testing the brand has not named, and the two-week result comes from a consumer survey rather than the kind of trial that backs the retinol claims generally. The discoloration claim rides on the same undisclosed-concentration problem as the wrinkle claim.

Partial “Reduces the look of fine lines and wrinkles” Retinol is on the formula and the mechanism is well established, but the brand does not disclose the percentage, and our evidence library ties the effect to 0.1% to 1% used for 12 or more weeks.
Partial “Minimizes discoloration for a brighter complexion” Retinol has published support for hyperpigmentation, but again at a disclosed concentration this product does not state, so the claim as worded outruns what can be checked.
Unverifiable “24 hours of hydration, backed by clinicals” The brand references clinical testing without naming a study, timeframe, or methodology, so the claim cannot be checked against published work.
Unsupported “Visible skin improvement after two weeks of daily use” This comes from a brand consumer-perception study, not a controlled trial, and it is far shorter than the 12-plus week window our retinol evidence entry associates with measurable change.

Brand evidence: Unnamed brand consumer study (two-week self-reported results) (The brand cites participant-reported improvement at two weeks without naming the study or its design; this does not match the 12-plus week timeframe that published retinol trials use.)

List read from incidecoder.com/products/dr-dennis-gross-advanced-retinol-ferulic-intense-wrinkle-cream-2. Claims read from Dr. Dennis Gross brand product page.

Self tanner

good Jergens Natural Glow Daily Moisturizer Medium to Tan 29 ingredients · 12 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional acrylates/c10-30 alkyl acrylate crosspolymer A synthetic polymer that thickens formulas and holds oil and water together
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional titanium dioxide A mineral pigment that scatters UV and visible light, used as a sunscreen filter and white opacifier

Not in the library yet (17): petrolatum, mineral oil, ceteareth-20, glyceryl dilaurate, erythrulose, persea gratissima fruit extract, avena sativa meal extract, simmondsia chinensis seed extract, calendula officinalis flower extract, olea europaea fruit oil, methylparaben, propylparaben, dmdm hydantoin, bht, caramel, mica, dihydroxyacetone.

The claims, checked

The tanning mechanism here is not in question. DHA and erythrulose are established actives with a documented track record for gradual, even color, and the moisturizing base ingredients are real. What is missing is any disclosed concentration for either active, so "deep" and "streak-free" are wording the brand chose rather than numbers anyone can check. The botanical extracts near the bottom of the list read more like formulation dressing than active ingredients.

Partial “Delivers a deep, even, long-lasting tan without streaks” Erythrulose and dihydroxyacetone both have a well-documented mechanism for coloring skin evenly through reaction with surface amino acids, but the label does not disclose either concentration, and the ingredient list places DHA last, suggesting a low dose. No streak-free claim specific to this formula is published.
Supported “Gradual, buildable color with daily use” DHA and erythrulose develop color over hours and fade over days, which is why daily reapplication builds depth gradually. This mechanism is standard and published for both actives.
Supported “Moisturizes skin without causing dryness” The formula carries glycerin, petrolatum, mineral oil, dimethicone, and tocopherol, all recognized emollients and humectants, which supports a moisturizing claim independent of the tanning actives.
Unverifiable “Enriched with natural extracts (avocado, oat, calendula, olive oil)” Persea gratissima, avena sativa, calendula, and olea europaea extracts appear on the ingredient list, but no concentrations are disclosed, so their contribution to the finished product's feel or benefit cannot be checked against published evidence.

List read from incidecoder.com/products/jergens-natural-glow-daily-moisturizer. Retailer copy only; not checked against the bottle. Claims read from Product description and ingredient breakdown on Incidecoder (brand site jergens.com and retailer listings on Target and Walmart were unreachable).

better Isle of Paradise Self-Tanning Drops Medium 27 ingredients · 12 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong ascorbic acid The most-studied topical antioxidant, and the least stable.
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (15): dihydroxyacetone, erythrulose, tropaeolum majus flower/leaf/stem extract, aloe barbadensis extract, citrus grandis peel oil, cocos nucifera oil, eucalyptus globulus leaf oil, mentha piperita oil, persea gratissima oil, salvia hispanica seed oil, salvia officinalis oil, methoxyphenyl t-butylphenyl propanediol, agastache mexicana flower/leaf/stem extract, sodium metabisulfite, triethylene glycol.

The claims, checked

The tanning effect rests on dihydroxyacetone and erythrulose, both well-established self-tanning actives, so the color part of the promise holds up. The skin-tone and texture language reaches further than the formula supports, since the plant oils and glycerin sit at undisclosed concentrations and the color change from DHA does most of the visible work. "Streak-free" and precise glow control depend on undisclosed active percentages and on how the product is applied, not on anything we can verify from the ingredient list alone.

Partial “Custom-made drops let you control the depth of your glow” Dihydroxyacetone and erythrulose are proven self-tanning actives, but their concentrations are undisclosed, so the amount of real dose control a user gets is not something we can check against a number.
Partial “Addresses uneven skin tone, dullness, and uneven texture” The tan color from DHA and erythrulose visually evens tone, but the plant oils and glycerin that would support texture sit at undisclosed concentrations, so any effect beyond the color change is not established.
Partial “Hydrating self-tanner” Glycerin and aloe barbadensis extract are established humectants, but alcohol denat sits high in the ingredient list and is drying, so the net hydration effect of this specific formula is not demonstrated.
Unverifiable “Develops a natural, streak-free tan” DHA and erythrulose concentrations are not disclosed, and streak evenness depends on application method as much as formula, so the claim as worded cannot be checked against published evidence.

List read from incidecoder.com/products/isle-of-paradise-self-tanning-drops-medium. Retailer copy only; not checked against the bottle. Claims read from Isle of Paradise product description and ingredient list read via incidecoder (the brand's own site, Ulta, and Sephora were unreachable this session).

best Tan-Luxe The Face Illuminating Self-Tan Drops 22 ingredients · 10 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional benzoic acid A preservative and pH adjuster that keeps microbes from growing in the formula
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (11): dihydroxyacetone, erythrulose, rubus idaeus seed oil, aloe barbadensis leaf juice, hydrolyzed silk, caramel, geraniol, hexyl cinnamal, benzyl salicylate, butylphenyl methylpropional, dehydroacetic acid.

List read from incidecoder.com/products/tan-luxe-the-face-illuminating-self-tan-drops. Retailer copy only; not checked against the bottle.

Shave cream

good Cremo Original Concentrated Shave Cream 23 ingredients · 9 in the library

Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional titanium dioxide A mineral pigment that scatters UV and visible light, used as a sunscreen filter and white opacifier
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.

Not in the library yet (14): sodium cocoyl isethionate, glycol distearate, macadamia ternifolia seed oil, polyether-1, hydroxypropyl guar hydroxypropyltrimonium chloride, aloe barbadensis leaf juice, calendula officinalis flower extract, xylitol, citrus medica limonum fruit, carica papaya fruit extract, olea europaea leaf extract, linalool, bht, perfluoromethylcyclopentane.

The claims, checked

The slip and cushion in this cream come from a real fatty acid soap base, and that part of the glide claim tracks with how these formulas work even without a named study behind Cremo's own wording. Allantoin is doing real anti-irritant work here, though Cremo does not say how much of it is in the tube, which keeps the razor burn claim from being fully checkable. The botanical list (calendula, aloe, papaya, olive leaf) reads more like a formulation highlight than a set of active ingredients with their own evidence, since none of them appear at a disclosed concentration or come with a matching clinical citation. "Astonishingly smooth" is marketing language describing a real sensory effect, not a claim with a number behind it.

Unverifiable “"Unique molecules that become impossibly slick when mixed with water" for blade glide” Cremo does not name or disclose concentrations for the molecules behind this claim, and the formula's fatty acid soap base (stearic acid, glycol distearate, cetearyl alcohol) is a plausible but proprietary lubricating system with no published study to check against.
Partial “"Fighting nicks, razor burn and irritation"” Allantoin has controlled evidence for reducing irritation at the 0.1 to 2 percent range typically used in cosmetics, but the label does not disclose its concentration here, and calendula and aloe barbadensis leaf juice sit further down the ingredient list with no comparable published evidence behind them for this use.
Unverifiable “"Astonishingly smooth skin"” This is a sensory descriptor rather than a measurable outcome, and the emollients present (macadamia oil, cetearyl alcohol, stearic acid) support a smoother glide and finish without a study that measures 'astonishing' against a baseline.
Partial “Botanical conditioning from calendula, aloe, papaya, and olive leaf extract” These botanicals are genuinely in the formula, but their position in the ingredient list (after the functional base and before the preservative system) suggests low concentrations, and none of them carry the kind of concentration-matched clinical evidence that allantoin does.

List read from incidecoder.com/products/cremo-shave-cream-classic. Retailer copy only; not checked against the bottle. Claims read from Cremo's own product page (cremocompany.com, Original Shave Cream).

better Proraso Shaving Cream Refreshing Eucalyptus Menthol 18 ingredients · 7 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate lactic acid An alpha hydroxy acid that loosens the bonds between dead surface skin cells to exfoliate
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional potassium hydroxide A strong alkali used in small amounts to set a formula's pH or convert fatty acids into soap
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.

Not in the library yet (11): cocos nucifera oil, sodium lauroyl sarcosinate, menthol, camphor, eucalyptol, eucalyptus globulus leaf oil, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, sodium metasilicate, hydroxyethylcellulose, sodium hydroxymethylglycinate, geraniol.

The claims, checked

The cooling claim holds up: menthol sits near the top of the ingredient list and its refreshing effect on skin is well established. The 'tones and purifies' language around eucalyptus is harder to pin down since the site does not publish a concentration, so we can't say how much that ingredient is doing versus the fragrance. And 'every skin type' is a stretch for a soap-based cream carrying both menthol and camphor, which can sting on reactive or broken skin.

Supported “Menthol helps cool, refresh, and revitalize skin” Menthol is listed high on the INCI (before camphor and eucalyptol), and menthol's cooling sensory effect via TRPM8 receptor activation is well documented at typical cosmetic use levels.
Unverifiable “Eucalyptus oil tones and purifies skin” Eucalyptus globulus leaf oil and eucalyptol are present but the formula does not disclose a concentration, and 'tones and purifies' is not a defined, testable cosmetic endpoint with published evidence behind this wording.
Partial “Suitable for every type of skin or beard” The formula is soap-based (stearic acid, potassium/sodium hydroxide) with menthol and camphor, both known irritants for sensitive or reactive skin, so a blanket suitability claim outruns what a high-pH soap cream with cooling actives supports.
Supported “Alcohol-free” The ingredient list has no denatured or SD alcohol; the formula is a stearate soap cream, consistent with an alcohol-free claim.

List read from incidecoder.com/products/proraso-shaving-cream-eucalyptus-menthol. Retailer copy only; not checked against the bottle. Claims read from Product description on Incidecoder's Proraso Shaving Cream Eucalyptus Menthol listing.

best The Art of Shaving Shaving Cream Sandalwood 21 ingredients · 9 in the library

Strong glycerin The workhorse humectant almost everything is built on.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional palmitic acid A saturated fatty acid, naturally found in skin, used as an emollient and cleansing base.
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional potassium hydroxide A strong alkali used in small amounts to set a formula's pH or convert fatty acids into soap
Functional triethanolamine An alkaline pH adjuster that also helps emulsify oil and water in a formula
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.

Not in the library yet (11): myristic acid, coconut acid, santalum spicatum wood oil, hexyl cinnamal, peg-4 laurate, peg-4 dilaurate, lauric acid, alpha-isomethyl ionone, coumarin, peg-4, iodopropynyl butylcarbamate.

The claims, checked

The lather claim holds up: the fatty-acid soap base and glycerin are exactly what makes a shaving cream glide rather than scrape. The sensitive-skin and razor-burn claims run into the formula's own fragrance allergens, hexyl cinnamal, alpha-isomethyl ionone, and coumarin, sitting awkwardly next to a promise aimed at sensitive skin. The sandalwood and "clinically tested" claims can't be checked: no concentration for the sandalwood oil, and no named study behind the testing claim.

Supported “Rich, nourishing lather that glides, not scrapes, for a closer shave” The fatty acid soap base (palmitic, myristic, stearic, lauric acid neutralized with potassium hydroxide and triethanolamine) is the standard chemistry behind dense, lubricating shaving lather, and glycerin adds slip.
Supported “Enhanced hydration during the shave from glycerin” Glycerin is a well-established humectant and sits high on the ingredient list, consistent with a real hydration role rather than a trace addition.
Partial “Protects sensitive skin and prevents razor burn” The soap-and-glycerin base does cut friction, but the formula also carries fragrance plus three declared fragrance allergens (hexyl cinnamal, alpha-isomethyl ionone, coumarin), a common irritant trigger for the sensitive skin the claim is aimed at.
Unverifiable “Sandalwood oil nourishes dry skin” Santalum spicatum wood oil is on the ingredient list but its concentration is not disclosed, and it sits near the fragrance end of the list, so there is no way to check whether it is present at a level that could nourish skin versus scent the product.
Unverifiable “Clinically and dermatologically tested” The brand states this on the product page but does not name or link a specific study for this shaving cream, so the claim cannot be checked against published evidence.

List read from www.skinsafeproducts.com/the-art-of-shaving-shaving-cream-sandalwood-5-fl-oz. Retailer copy only; not checked against the bottle. Claims read from brand product page (theartofshaving.com/products/sandalwood-shaving-cream-5-oz).

Vitamin c serum

good La Roche-Posay Pure Vitamin C Face Serum 28 ingredients · 14 in the library

Strong ascorbic acid The most-studied topical antioxidant, and the least stable.
Strong glycerin The workhorse humectant almost everything is built on.
Strong salicylic acid An oil-soluble exfoliant that gets into the pore.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate adenosine A naturally occurring nucleoside used at low levels to target the look of fine lines
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
No evidence parfum An undisclosed blend; the single word can stand for dozens of compounds.
Functional potassium hydroxide A strong alkali used in small amounts to set a formula's pH or convert fatty acids into soap
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions

Not in the library yet (14): cyclohexasiloxane, polymethylsilsesquioxane, polysilicone-11, pentaerythrityl tetraethylhexanoate, c13-14 isoparaffin, peg-20 methyl glucose sesquistearate, poloxamer 338, ammonium polyacryloyldimethyl taurate, hydrolyzed hyaluronic acid, laureth-7, acetyl dipeptide-1 cetyl ester, toluene sulfonic acid, polyacrylamide, bht.

The claims, checked

The vitamin C and hyaluronic acid claims track with what's in the bottle: ascorbic acid sits high on the ingredient list and hyaluronic acid appears twice, both consistent with real hydration and antioxidant support. The brightening and sunscreen-boosting claims lean on studies done at 10 to 20% L-ascorbic acid, and this product's own page wasn't reachable to confirm where it lands in that range. The 'exfoliates pores' claim on the sensitive-skin version outruns the formula: salicylic acid sits low enough on the list that it's likely there in a small supporting dose, not an exfoliating one.

Partial “Brightens skin and fades the look of dark spots and pigmentation” Ascorbic acid sits second on the ingredient list, right after water, which points to a meaningful concentration, but the label does not state a percentage. Our ingredient library notes brightening evidence comes from trials at 10 to 20% L-ascorbic acid at low pH, so the claim holds only if this serum lands in that range.
Supported “Antioxidant protection against environmental damage” Ascorbic acid (L-ascorbic acid, the active form of vitamin C) is a well-documented topical antioxidant, and its placement high on the ingredient list supports a functional dose.
Unverifiable “Boosts the effectiveness of sunscreen worn over it” Photoprotection synergy for vitamin C has been shown in specific formulations at 10 to 20% L-ascorbic acid, but nothing on this product's public listings discloses an exact concentration or cites a study for this formula, so the claim can't be checked against this product specifically.
Supported “Hyaluronic acid hydrates and plumps skin” The formula carries both sodium hyaluronate and hydrolyzed hyaluronic acid, and hyaluronic acid's water-binding and hydration effect is well established regardless of exact concentration.
Unsupported “Salicylic acid exfoliates and helps clear pores (Sensitive Skin variant)” Salicylic acid appears near the bottom of the ingredient list, after xanthan gum and stabilizers, which puts it at a low concentration unlikely to deliver meaningful exfoliation; the ingredient library notes salicylic acid needs a real dose to act as a beta hydroxy acid rather than a minor additive.

List read from incidecoder.com/products/la-roche-posay-pure-vitamin-c. Retailer copy only; not checked against the bottle. Claims read from La Roche-Posay's own product page returned 403 and its site search also returned 403, so claims here come from the product's INCI list and INCIDecoder's ingredient breakdown for this product, cross-checked against our ingredient library.

better Naturium Vitamin C Complex Face Serum 34 ingredients · 15 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong ascorbic acid The most-studied topical antioxidant, and the least stable.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional carbomer A synthetic polymer that thickens water phases and holds gels and lotions together
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional benzoic acid A preservative and pH adjuster that keeps microbes from growing in the formula
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.
Functional polysorbate 60 A nonionic emulsifier and solubilizer that lets oil and water phases mix in a formula.

Not in the library yet (19): sodium ascorbyl phosphate, glutathione, ananas sativus fruit extract, carica papaya fruit extract, mangifera indica fruit extract, terminalia ferdinandiana fruit extract, pleiogynium timoriense fruit extract, podocarpus elatus fruit extract, aloe barbadensis leaf juice, hydroxyethylcellulose, beta-glucan, hexylene glycol, sorbitol, algin, sorbic acid, 12-hexanediol, disodium phosphate, gold, sodium phosphate.

The claims, checked

The hydration claim holds up: glycerin, sodium hyaluronate, and aloe sit high enough in the ingredient list to back "instantly hydrates." The brightening, anti-aging, and antioxidant claims lean on real ingredients (ascorbic acid, sodium ascorbyl phosphate, glutathione) but the page never says at what concentration, and the "clinically proven" line points to a study that is not named or published, so there is no way to confirm the study matches this formula.

Partial “Helps skin look more radiant and bright” Ascorbic acid and sodium ascorbyl phosphate are both present, and low-pH L-ascorbic acid has evidence for brightening, but the page discloses no concentration for either form, so the strength of this formula against the tested range is not verifiable.
Partial “Clinically proven to improve fine lines and wrinkles in 4 weeks” The brand cites an internal 8-week study but does not name it or publish it, and no vitamin C concentration is disclosed, so the claim rests on a mechanism (antioxidant, collagen-supportive) that is plausible but not independently checkable against this formula.
Partial “Helps defend skin from environmental stressors” Ascorbic acid and glutathione are established antioxidants, which supports the mechanism, but undisclosed concentrations for both mean the antioxidant load in this serum cannot be matched to the doses used in supporting research.
Supported “Instantly hydrates skin” Glycerin, sodium hyaluronate, and aloe barbadensis leaf juice sit near the top of the ingredient list, and these humectants are well established for immediate surface hydration.

Brand evidence: Unnamed 8-week internal clinical study referenced on the product page (The study is not named or linked, and the page gives no vitamin C concentration, so the claimed design cannot be checked against the formula it is used to sell.)

List read from naturium.com/products/vitamin-c-complex-serum. Claims read from Naturium brand product page (naturium.com/products/vitamin-c-complex-serum).

best SkinCeuticals C E Ferulic 11 ingredients · 8 in the library

Strong ascorbic acid The most-studied topical antioxidant, and the least stable.
Strong glycerin The workhorse humectant almost everything is built on.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional propylene glycol A small humectant and solvent that helps water-based ingredients dissolve and stay put
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional triethanolamine An alkaline pH adjuster that also helps emulsify oil and water in a formula

Not in the library yet (3): ethoxydiglycol, laureth-23, ferulic acid.

List read from incidecoder.com/products/skinceuticals-c-e-ferulic. Retailer copy only; not checked against the bottle.

Womens body razor

better Billie Razor Starter Kit 7 ingredients · 3 in the library

Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional butyrospermum parkii butter Fat pressed from shea tree nuts, used as an emollient and thickener for texture and softening.
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder

Not in the library yet (4): charcoal powder, aloe barbadensis leaf juice, cyclodextrin, polyethylene glycol.

The claims, checked

The two claims on record for this razor are about what is left out of the moisturizing strip, not what it does for skin, and the ingredient list backs both: no alcohol denat, no parfum or essential oil. There is no clinical or performance claim here to weigh against a study, so this reads as a formulation check rather than an efficacy one. The brand's own product page would not load, so this comes from a third-party ingredient database rather than Billie's marketing copy directly.

Supported “Alcohol Free” The moisturizing strip's ingredient list has no alcohol denat or other drying alcohol, so the formula matches the claim as worded.
Supported “Fragrance and Essential Oil Free” No parfum or essential oil appears in the strip's INCI list, which is what this claim requires.

List read from incidecoder.com/products/billie-razor. Retailer copy only; not checked against the bottle. Claims read from IncideCoder ingredient listing for the Billie razor moisturizing strip (mybillie.com returned a 403, Target and Ulta listings were unreachable).

From the brands we love

dermalogica-cleansing-gel Dermalogica Special Cleansing Gel 24 ingredients · 8 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional propanediol A plant-derived or petro-derived diol used as a solvent, humectant, and penetration enhancer.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional sodium hydroxide An alkali used in tiny amounts to adjust and hold a formula's pH
Functional sodium benzoate Sodium salt of benzoic acid, used as a preservative to control microbial growth in the formula.

The claims, checked

The gel washes clean without the harsh feel of soap, and the surfactant choices back that up. The "toxins" language and the soothing claims for lavender and melissa extract outrun what's on the ingredient list, since neither concentration is disclosed. Anyone prone to fragrance sensitivity should note the citrus and bergamot oils before trusting the "all skin types" line.

Partial “Soap-free gel cleanses without stripping or disturbing moisture balance” The mild surfactant blend (sodium C14-16 olefin sulfonate, sodium lauroyl sarcosinate, cocamidopropyl betaine) supports gentle cleansing, but the formula also carries five fragrance oils including bergamot and citronella, which are known contact irritants that cut against a blanket non-stripping claim.
Unsupported “Quillaja Saponaria gently rinses away toxins and debris” Quillaja saponaria bark extract is a saponin-based foaming agent with a documented cleansing role, but "toxins" is not a defined skin target and no published work ties this extract to toxin removal.
Unverifiable “Calming Balm Mint and Lavender extracts soothe the skin” Melissa officinalis leaf extract and lavandula angustifolia oil sit low in the ingredient list with no disclosed concentration, so whether they reach a soothing dose in this formula cannot be checked.
Partial “Lightweight and mild enough for daily use on all skin types” The surfactant system is mild enough for frequent use, but citrus peel and bergamot oils are recognized sensitizers and photosensitizers, so "all skin types" overstates fit for reactive or sensitized skin.

List read from www.dermalogica.com/products/special-cleansing-gel. Retailer copy only; not checked against the bottle. Claims read from Dermalogica product page copy.

dermalogica-microfoliant Dermalogica Daily Microfoliant 27 ingredients · 7 in the library

Strong salicylic acid An oil-soluble exfoliant that gets into the pore.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Moderate camellia sinensis leaf extract A green tea leaf extract added as a polyphenol-rich antioxidant to protect skin from oxidative stress.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional maltodextrin A starch-derived polysaccharide used as a film former, texture agent, and binder
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.

Not in the library yet (20): microcrystalline cellulose, magnesium oxide, sodium cocoyl isethionate, colloidal oatmeal, disodium lauryl sulfosuccinate, sodium lauroyl glutamate, oryza sativa bran extract, oryza sativa starch, coconut acid, papain, ginkgo biloba leaf extract, glycyrrhiza glabra root extract, pca, populus tremuloides bark extract, cyclodextrin, sodium isethionate, lauryl methacrylate/glycol dimethacrylate crosspolymer, 4-terpineol, citrus paradisi peel oil, sodium dehydroacetate.

The claims, checked

The formula does carry real exfoliants, papain and salicylic acid both show up on the ingredient list, so the basic exfoliation story holds. The brightening and dark-spot claims lean on rice bran's phytic acid, which likely sits at a trace amount here, so that part outruns what's disclosed. The product page references "scientific journal citations" without naming the studies or showing what concentration was tested, which makes the daily-use and sensitive-skin claims hard to check against this specific formula.

Partial “Exfoliates, smooths, and brightens skin via enzymatic and chemical action” Papain and salicylic acid are both real exfoliants and both appear in the INCI list, but the salicylic acid concentration is not disclosed, and the published evidence for salicylic acid exfoliation sits at 0.5% to 2%.
Unverifiable “Reduces blackhead appearance and clears pores” Salicylic acid supports comedone reduction at 0.5% to 2% in controlled trials, but this product does not state its concentration, so the claim cannot be checked against that evidence.
Unsupported “Brightens skin and minimizes dark spot appearance after 1 to 4 weeks” This rests on phytic acid carried in oryza sativa (rice) bran extract, which sits low enough on the ingredient list that its concentration is likely trace, well below the levels used in brightening studies.
Partial “Gentle enough for daily use on sensitive, oily, and acne-prone skin” Colloidal oatmeal and allantoin are calming ingredients with a real basis, but daily use of an enzyme plus salicylic acid exfoliant is a stronger routine than most sensitive-skin protocols in the literature, and the brand does not publish tolerability data specific to this formula.

List read from www.dermalogica.com/products/daily-microfoliant. Retailer copy only; not checked against the bottle. Claims read from Dermalogica's own product page for Daily Microfoliant.

dermalogica-spf50 Dermalogica Dynamic Skin Recovery SPF 50 56 ingredients · 21 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Moderate camellia sinensis leaf extract A green tea leaf extract added as a polyphenol-rich antioxidant to protect skin from oxidative stress.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional c12-15 alkyl benzoate A lightweight ester emollient that smooths texture and helps other ingredients spread evenly
Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional dimethicone A silicone oil that coats skin, filling in texture and giving slip and a smooth after-feel
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional caprylic/capric triglyceride A lightweight plant-derived oil that softens skin and carries other ingredients into a formula.
Functional cetearyl alcohol A blend of cetyl and stearyl fatty alcohols that thickens and stabilizes creams and lotions.
Functional stearic acid A waxy fatty acid used as an emulsifier, thickener, and opacifying agent in creams.
Functional hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer A synthetic polymer that thickens water phases and stabilizes emulsions without added surfactant.
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.
Functional polysorbate 60 A nonionic emulsifier and solubilizer that lets oil and water phases mix in a formula.
Functional tetrasodium edta A chelating agent that binds trace metal ions to keep formulas stable and preservatives working.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional limonene A citrus-derived terpene used as a fragrance ingredient and solvent in formulas
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional titanium dioxide A mineral pigment that scatters UV and visible light, used as a sunscreen filter and white opacifier

Not in the library yet (35): ethylhexyl methoxycinnamate, carthamus tinctorius oleosomes, butyl methoxydibenzoylmethane, dimethyl capramide, palmitoyl tripeptide-5, aniba rosodora wood extract, rose flower oil, pelargonium graveolens flower oil, helianthus annuus seed oil, eugenia caryophyllus leaf oil, citrus medica limonum peel oil, saccharomyces cerevisiae extract, citrus medica limonum peel extract, laminaria digitata extract, dipotassium glycyrrhizate, eugenia caryophyllus flower oil, glucosamine hcl, arginine/lysine polypeptide, polysilicone-11, glycine soja protein, 12-hexanediol, ceteareth-20, sodium polyacrylate, sodium acrylates copolymer, decyl glucoside, urea, galactoarabinan, glyceryl polyacrylate, aminomethyl propanol, linalool, eugenol, geraniol, citronellol, benzyl benzoate, citral.

The claims, checked

The SPF50 broad-spectrum claim holds up as a regulated, tested claim, and the hydration promise checks out against a normal glycerin-squalane-hyaluronate base. The peptide claim rests on an ingredient with real research behind it, but Dermalogica does not say how much is in the jar, so "helps improve the appearance of photoaged skin" outruns what a reader can verify. The white tea antioxidant line is the shakiest: green tea extract needs to sit in a certain concentration range to do what the studies show, and its spot in the ingredient list suggests this formula falls short of that.

Supported “Broad Spectrum SPF50 provides critical protection against UV light” The formula carries ethylhexyl methoxycinnamate and butyl methoxydibenzoylmethane as UV filters, and SPF50 broad-spectrum labeling is a tested, regulated claim under the FDA sunscreen monograph rather than a marketing estimate.
Unverifiable “Unique polypeptide blend helps improve the appearance of photoaged skin” Palmitoyl tripeptide-5 sits in the ingredient list, and the peptide family has published work on collagen signaling, but the brand does not disclose a concentration, so the claim as worded on this product cannot be checked against a dose.
Partial “White Tea provides antioxidant protection against free radicals” Camellia sinensis leaf extract is present, and controlled studies show antioxidant effects at roughly 1 to 5 percent standardized extract, but it sits well down the ingredient list here (after silicones, oils, and several other actives), which points to a concentration below what those studies used.
Supported “Provides long-lasting hydration” Glycerin, squalane, and sodium hyaluronate are all present in the upper half of the ingredient list, a standard humectant-emollient combination with well-established hydration effects at typical use levels.

List read from incidecoder.com/products/dermalogica-dynamic-skin-recovery-spf-50-moisturizer. Retailer copy only; not checked against the bottle. Claims read from Dermalogica's own product page for Dynamic Skin Recovery SPF50.

el-double-wear Estee Lauder Double Wear Stay-in-Place Makeup 22 ingredients · 6 in the library

Functional cyclopentasiloxane A volatile silicone that spreads product evenly and leaves a silky, non-greasy finish
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional titanium dioxide A mineral pigment that scatters UV and visible light, used as a sunscreen filter and white opacifier

Not in the library yet (16): trimethylsiloxysilicate, peg/ppg-18/18 dimethicone, tribehenin, polyglyceryl-3 diisostearate, magnesium sulfate, polymethylsilsesquioxane, methicone, laureth-7, alumina, sodium dehydroacetate, disteardimonium hectorite, cellulose gum, propylene carbonate, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, iron oxides, mica.

List read from incidecoder.com/products/estee-lauder-double-wear-stay-in-place-makeup.

hauslabs-foundation Haus Labs Triclone Skin Tech Foundation 46 ingredients · 7 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Mixed alcohol denat A solvent that makes formulas feel weightless and dry fast.
Functional butylene glycol Small humectant and solvent that carries other ingredients and helps products feel lighter
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel

Not in the library yet (39): diphenylsiloxy phenyl trimethicone, phenyl trimethicone, caprylyl methicone, trimethylsiloxysilicate, propylene glycol dibenzoate, isododecane, methyl trimethicone, lauryl polyglyceryl-3 polydimethylsiloxyethyl dimethicone, c13-15 alkane, polymethylsilsesquioxane, polyglyceryl-3 polydimethylsiloxyethyl dimethicone, acrylates/polytrimethylsiloxymethacrylate copolymer, sorbitan sesquioleate, disteardimonium hectorite, 12-hexanediol, palmitoyl tetrapeptide-10, arnica montana flower extract, hydrolyzed hyaluronic acid, pseudozyma epicola/camellia sinensis seed oil ferment extract filtrate, pseudozyma epicola/apricot kernel oil/olive fruit oil/sweet almond oil/sunflower seed oil/licorice root extract ferment extract filtrate, pseudozyma epicola/apricot kernel oil/olive fruit oil/sunflower seed oil/sweet almond oil/angelica gigas/lithospermum erythrorhizon root, solanum lycopersicum fruit extract, dunaliella salina extract, hedychium coronarium root extract, althaea rosea flower extract, taraxacum officinale extract, perilla ocymoides leaf extract, panax notoginseng extract, glycyrrhiza glabra root extract, chamomilla recutita extract, centella asiatica extract, pseudozyma epicola/sunflower seed oil ferment extract filtrate, magnesium sulfate, polypropylsilsesquioxane, acrylates/dimethicone copolymer, triethoxycaprylylsilane, dimethicone/vinyl dimethicone crosspolymer, ci 77491, ci 77499.

The claims, checked

The ingredient list backs up the general shape of the claim: this formula does carry real skincare actives like hyaluronic acid, squalane, a palmitoyl peptide, and fermented arnica alongside its silicones and pigments. What it can't back up is the size of any benefit, because none of those ingredients come with a stated percentage, and a foundation worn over skin for a day isn't the same delivery context as a leave-on serum. Coverage and finish claims are subjective by nature and sit outside what an ingredient list or study can settle either way.

Unverifiable “Medium, buildable coverage with a naturally luminous, second-skin finish” This is a formulation and wear-feel claim about pigment load and film-forming silicones (trimethylsiloxysilicate, polymethylsilsesquioxane), which is not something an ingredient list or published study can confirm or deny.
Partial “Skincare-infused, clean formulation powered by fermented Arnica” Arnica montana flower extract and several pseudozyma epicola ferment filtrates are present, so the fermented-arnica story reflects real ingredients, but no concentration is disclosed for any of them, so the strength of any skin benefit cannot be checked against evidence.
Partial “20+ skincare ingredients support skin while wearing makeup” The list does include recognized skin-supportive ingredients (hydrolyzed hyaluronic acid, squalane, palmitoyl tetrapeptide-10, tocopherol, several plant extracts), consistent with ingredients.ts entries for squalane and hyaluronic acid, but all sit well down the list without disclosed percentages, so their contribution in a leave-on-then-removed foundation is likely small.

List read from incidecoder.com/products/haus-labs-triclone-skin-tech-foundation. Retailer copy only; not checked against the bottle. Claims read from Haus Labs brand product page (hauslabs.com).

oneskin-body OneSkin OS-01 BODY 44 ingredients · 18 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate panthenol Alcohol form of vitamin B5, used as a humectant and skin-conditioning agent.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Moderate ceramide np A lab-made lipid matching the skin's own ceramides, used to help rebuild the moisture barrier
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional sodium hyaluronate crosspolymer A crosslinked form of hyaluronic acid used to build gel texture and film on skin
Functional lecithin A phospholipid mixture from soy, sunflower, or egg that emulsifies and softens skin feel
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional polysorbate 80 Nonionic surfactant that helps oil and water phases blend and stay mixed.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.
Functional citric acid Naturally derived alpha hydroxy acid used mainly to set and hold a formula's pH.
Functional sodium citrate Sodium salt of citric acid, used to adjust and buffer a formula's pH and bind trace metals.
Functional pentylene glycol A synthetic diol that carries other ingredients, keeps water in the skin, and helps preserve the formula
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional ethylhexylglycerin Glycerin derivative used to boost preservative activity and improve product feel
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.

Not in the library yet (25): limnanthes alba seed oil, sorbitan olivate, avena sativa kernel oil, prunus domestica seed oil, saccharide isomerate, cetearyl olivate, mangifera indica seed butter, tremella fuciformis extract, decapeptide-52, asiaticoside, centella asiatica extract, anadenanthera colubrina bark extract, lepidium sativum sprout extract, genistein, bentonite, cetyl palmitate, sorbitan palmitate, polyglyceryl-10 laurate, polyglyceryl-6 oleate, sorbitan oleate, glyceryl caprylate, alcohol, sorbic acid, caprylhydroxamic acid, tetrasodium glutamate diacetate.

The claims, checked

The hydration and barrier numbers on this page come from OneSkin's own testing, and the ingredient list has real humectants and barrier-support actives behind them, so the general direction is plausible even though the specific percentages aren't independently checkable. The bigger stretch is the 'reverse biological age' line: that claim traces back to OneSkin's facial peptide study, and this is a body formula going on different skin. Worth knowing the OS-01 peptide (decapeptide-52) concentration isn't disclosed here, which is part of why the crepey-skin and firmness claims can't be verified either way.

Partial “Improves skin texture, appearance, and hydration (93%/70%/70% reported)” The percentages come from a self-reported consumer-perception survey rather than an instrumented, controlled trial, and the formula does carry known humectants (glycerin, panthenol, sodium hyaluronate crosspolymer) that plausibly support hydration.
Partial “Strengthens the skin barrier by up to +41%” This figure is drawn from OneSkin's own testing with no published methodology or peer review available to check, and decapeptide-52 is not listed with a concentration, so the number cannot be tied to a specific dose.
Partial “OS-01 peptide is scientifically proven to reverse skin's biological age” OneSkin's published epigenetic-clock work behind this claim tested a facial OS-01 formulation on facial skin, not this BODY product on body skin, so the mechanism is real but the claim as worded outruns what was tested for this SKU.
Unverifiable “Addresses thin, crepey skin for a firmer look and feel” No disclosed decapeptide-52 concentration and no cited published study on epidermal thickening from this body formula means the claim cannot be checked against public evidence.

Brand evidence: OneSkin consumer-perception survey (93% hydration, 70% appearance, 70% texture) (Self-reported outcomes without a disclosed placebo arm or peer-reviewed writeup; supports a general impression, not the specific percentages as proof.) · OneSkin epigenetic skin-age study behind the 'senescence blocking' claim (The study underlying the biological-age claim used a facial OS-01 formulation on facial skin; it is being used to sell a body product with a different formulation and application site.)

List read from www.oneskin.co/products/os-01-body-topical-supplement. Retailer copy only; not checked against the bottle. Claims read from OneSkin OS-01 BODY product page (oneskin.co).

oneskin-face OneSkin OS-01 FACE 30 ingredients · 12 in the library

Strong glycerin The workhorse humectant almost everything is built on.
Strong niacinamide A well-tolerated multitasker: barrier lipids, tone, sebum.
Moderate sodium hyaluronate A humectant that holds water at the surface.
Moderate allantoin A soothing, skin-conditioning agent that calms irritation and helps the surface hold moisture
Emerging tocopherol A fat-soluble vitamin E form added as an antioxidant, to protect oils in the formula and skin.
Functional squalane A saturated plant- or sugarcane-derived oil used as an emollient to soften and smooth skin.
Functional sodium hyaluronate crosspolymer A crosslinked form of hyaluronic acid used to build gel texture and film on skin
Functional tocopheryl acetate Stable ester form of vitamin E, added as an antioxidant and skin-conditioning agent.
Functional xanthan gum A fermentation-derived polysaccharide that thickens formulas and stabilizes emulsions
Functional potassium sorbate Potassium salt of sorbic acid, used as a preservative to stop mold and yeast growth.
Functional phenoxyethanol A preservative that keeps water-based formulas free of bacteria and mold over time.
Functional caprylyl glycol A short-chain diol that conditions skin, holds moisture, and helps preservative systems work.

Not in the library yet (17): calycophyllum spruceanum bark oleic extract, sorbitan olivate, cetearyl olivate, carapa guianensis seed oil, vitis vinifera seed oil, pentaclethra macroloba seed oil, rosa canina fruit oil, prunus domestica seed oil, caprylhydroxamic acid, glyceryl caprylate, decapeptide-52, bentonite, cellulose, cetyl palmitate, sorbitan palmitate, sorbic acid, tetrasodium glutamate diacetate.

The claims, checked

The hydration, elasticity, and smoothness claims line up with a real clinical trial OneSkin ran on this product. The firmness claim holds on the numbers but leans on a mechanism, senescent cells switching off, that was shown in lab and ex vivo skin models rather than in that same trial. "The only peptide scientifically proven to reverse skin aging at the cellular level" borrows weight from those lab studies while claiming something broader and more absolute than any single study, on this product or otherwise, can carry. Decapeptide-52's concentration in this formula is not disclosed.

Supported “Boosts hydration, elasticity, and barrier function” The formula carries hyaluronic acid, sodium hyaluronate, glycerin, and squalane for hydration, and the brand's own clinical trial (Zonari 2024) reported 90% of participants with improved elasticity.
Partial “Switches off collagen-degrading cells, helping skin stay firm” The clinical trial reported 96% improvement in firmness, but the senescent-cell mechanism behind that wording comes from separate lab and ex vivo human skin model work (Zonari 2023), not from measurements taken during the clinical trial itself.
Supported “Enhances skin tone and texture, helping skin look and feel smooth” The clinical trial (Zonari 2024) reported 100% of participants with improved smoothness, matching the claim as worded.
Unsupported “The only peptide scientifically proven to reverse skin aging at the cellular level” "The only" is a comparative superlative no single study can establish, and the senescence-reversal data behind it comes from lab and ex vivo human skin models (Zonari 2023), not from decapeptide-52 acting in living skin during the product's own clinical trial.

Brand evidence: Zonari et al., J Cosmet Dermatol 2024, double-blind vehicle-controlled clinical trial of OS-01 peptide (This is the study behind the firmness, elasticity, and smoothness percentages, and it was run on the actual product.) · Zonari et al., npj Aging 2023, senotherapeutic peptide reduces senescence burden in human skin models (Shows senescence reduction in lab and ex vivo skin models, not in living skin treated with the finished FACE product, so it overreaches when used to back the "reverse skin aging at the cellular level" claim.)

List read from incidecoder.com/products/one-skin-os-01-face-topical-supplement. Retailer copy only; not checked against the bottle. Claims read from OneSkin's own product and science pages (oneskin.co).

The devices and tools, checked

No ingredient list to read, so these cards check the claims instead: what the brand promises against what the published evidence for this kind of device actually shows.

Derma roller

better StackedSkincare Micro-Roller 0.25mm 4 claims checked

The 0.2mm needles on this roller sit in the range that published research ties to better serum absorption, so the delivery claim holds up. The firmness and fine-line claims lean on collagen-induction studies that used much longer needles, typically 0.5mm and up, so those promises are reaching past what a 0.2mm depth is shown to do. "Skin renewal" is marketing language with no study behind it either way.

Partial “Improves the appearance of skin texture and firmness” Microneedling has published support for texture and firmness, but almost all of that evidence comes from devices at 0.5mm or longer used for collagen induction. This tool's needles are 0.2mm, a depth built for product penetration rather than the wound-healing response those studies measured.
Unsupported “Softens the look of fine lines and uneven tone over time” Fine-line and tone improvement from microneedling in the published literature is tied to needle depths of 0.5mm to 1.5mm that trigger a collagen-induction response. At 0.2mm the device sits below that range, so the mechanism the claim leans on is not what this tool does.
Supported “Enhances the performance of skincare applied after use” Shallow microchannels at 0.2mm to 0.3mm are the depth range studies on transdermal delivery actually use, and increased serum penetration after fine-needle rolling is a reasonably well documented effect.
Unverifiable “Supports visible skin renewal with consistent use” "Skin renewal" is not a defined clinical endpoint, and the brand cites no study to attach the phrase to, so there is nothing concrete to check it against.

Claims read from StackedSkincare brand product page (Microneedling Face Tool).

Dermaplaning tool

good Schick Hydro Silk Touch-Up Dermaplaning Tool 4 claims checked

This is a basic single-blade facial razor, and the razor-mechanics claims (removing fine hair, shaping brows) hold because that's just what a blade does. "Gently exfoliating" is technically true but overstates what a few passes with a handheld razor accomplish next to an actual dermaplaning treatment. We found no brand studies and no independent safety data on the micro-guard blades, so those pieces stay unverifiable rather than confirmed.

Supported “Shapes eyebrows, removes fine hairs, and smooths skin” A single-blade razor mechanically removes vellus hair and the top layer of dead skin on contact; this is basic razor mechanics, not a claim that needs a clinical trial.
Partial “Smooths skin by gently exfoliating” Manual dermaplaning does remove surface dead skin, but the effect is limited to the very top skin layer and is short-lived compared to what people picture from professional dermaplaning, which uses a longer blade and a controlled angle a handheld micro-guard razor does not replicate.
Unverifiable “Micro-guard blades protect skin during use” No published cut-rate or safety data for this specific blade guard design is available from the retailer listing; the guard is a plausible safety feature but its effectiveness isn't independently measured anywhere we could check.
Unverifiable “Touch-ups are quick, easy, and portable for use anywhere” This is a usability claim about convenience, not a physiological effect, so there is no evidence body to check it against.

Claims read from Ulta retailer product listing (brand page not reachable). Retailer copy only.

better StackedSkincare Dermaplaning Tool 4 claims checked

The core claim holds up: a sharp blade at a shallow angle will physically remove dead skin and fine facial hair, and that alone explains smoother, brighter-looking skin right after use. The "professional-level" language and the absorption claim reach further than what's shown, since neither comes with a study, only the mechanical logic of shaving off the top layer. Nothing here needs an ingredient list to check, because the tool is the whole claim.

Supported “Removes dead skin cells and peach fuzz from the skin's surface” Manual dermaplaning with a surgical steel blade mechanically shaves off the stratum corneum and vellus hair, which is a physical action rather than a formula claim, and it does this by design.
Partial “Improves texture, brightness, and overall skin clarity” Removing dead cells and fine hair does make skin look smoother and reflect light better right after use, but the brand cites no data on how long the effect lasts or how it compares across skin types, so the size of the improvement is unverified.
Unverifiable “Skincare absorbs more effectively afterward” It is plausible that clearing the top layer of dead skin lets topical products penetrate with less resistance, but the page cites no penetration or absorption study specific to this tool.
Partial “Professional-level dermaplaning at home” The blade is 45 degrees against skin with surgical stainless steel, which matches the basic mechanics an esthetician uses, but professional dermaplaning also involves technique, blade length, and skin prep that a consumer tool and instructions can't fully replicate.

Claims read from Brand product page (stackedskincare.com/products/dermaplaning-at-home-kit).

best DERMAFLASH LUXE+ Advanced Dermaplaning Device 4 claims checked

The core promise, an instant smoother finish from removing peach fuzz and surface skin, holds up because that's just what a sonic dermaplaning blade does. The anti-aging language about fine lines and dark spots leans on the brand's own panel rather than outside research, and dermaplaning only works on the skin's surface, so that part of the label runs ahead of what the device can actually do long-term. The "clinically proven" line about hair not growing back thicker lines up with what dermatologists generally say, though the specific citation behind it is the brand's own consumer survey, not a study built to test regrowth.

Supported “Safely removes peach fuzz and exfoliates dead skin for instantly smoother, glowing skin” The MicroFine Edges blade with a patented safety cage is standard dermaplaning mechanics, and mechanical removal of vellus hair and stratum corneum reliably gives an immediate smoother look.
Partial “Clinically proven hair will not grow back thicker or faster” Dermatology literature broadly supports that shaving or blading hair does not change its thickness or growth rate, but the brand's cited evidence is an in-house perception panel rather than a study designed to measure regrowth over time.
Partial “Improves the look of fine lines, wrinkles, and dark spots with consistent use” The 97% and 94% figures come from the brand's own 4-week instrumental analysis panel, not an independent peer-reviewed trial, and dermaplaning only reaches the epidermis, so any effect on wrinkles or spots is superficial and likely temporary.
Unverifiable “Works for all ages, skin tones, and skin types, including sensitive skin” No published breakdown by skin tone or sensitivity is cited alongside this claim, and the Gentle setting is a design feature rather than evidence of tested safety across all listed groups.

Brand evidence: DERMAFLASH in-house consumer perception and instrumental analysis panel (1 use and 4 weeks) (Self-reported agreement rates and an unpublished instrumental readout are used to back anti-aging language the panel wasn't designed to establish independently.)

Claims read from Brand product page, dermaflash.com/products/dermaflash-luxe-plus.

Exfoliating loofah

good EcoTools Exfoliating Bath Loofah 4 claims checked

The lather claim is the one part of this that's just true of any mesh pouf, no study needed. The rest leans on words like "glow" and "supple" that don't point to anything measurable, and the brand page doesn't say what the netting is made of or how coarse it is, so there's no spec to check against skin-exfoliation research. It reads as a bath accessory doing an ordinary mechanical job, dressed in skincare language it hasn't earned.

Unverifiable “Sweeps away dry, dull patches for a deep, all-over clean” Mechanical exfoliation with mesh netting does remove loose surface skin, but the brand discloses no mesh density, grit, or contact-pressure spec, and there is no published study of this specific pouf design to test the claim against.
Supported “Creates a rich lather” Netted pouf structure increasing lather from liquid soap or body wash is a basic, observable mechanical effect of the mesh design, not a claim that needs a clinical study.
Unsupported “Achieve a smooth, supple glow” Skin appearing smoother after removing dead surface cells is plausible short-term, but 'glow' and 'supple' are outcome words with no cited measurement, and mesh exfoliation alone has no published evidence for a lasting change in skin suppleness.
Unverifiable “Gentle, cruelty-free bath accessory” Cruelty-free refers to animal testing status, which cannot be checked from the product page copy, and 'gentle' has no defined threshold or test cited.

Claims read from EcoTools brand product page for the Exfoliating EcoPouf Bath Sponge (closest match to the loofah listing; ecotools.com/collections/bath-sponges-loofahs). Retailer copy only.

Gua sha

good BAIMEI Rose Quartz Gua Sha Facial Tool 4 claims checked

The tool is a smooth stone for facial massage, and nothing published ties rose quartz specifically to skin outcomes. "Puffiness" and "tension" claims track a real short-term effect of massage itself, gone within hours rather than accumulating over time. "Sculpts and lifts" outruns what massage with a handheld stone can do: there's no mechanism or study showing lasting contour change from this kind of tool.

Partial “Reduces puffiness around the face” Manual massage with a smooth stone can move surface fluid short term, but no published trial tests this specific tool, and any de-puffing is temporary rather than a lasting reduction.
Partial “Relieves facial tension” Massage is a plausible mechanism for a brief sense of relaxation in facial muscles, but there is no published study of a rose quartz gua sha tool measuring tension relief, so the size and duration of the effect are unknown.
Unsupported “Sculpts and lifts facial contours” There is no published evidence that stone massage changes facial structure or produces a lasting lift; any visible change is a temporary blood-flow flush that fades within hours.
Unverifiable “Natural rose quartz, cool to the touch” This is a material description rather than a skin-benefit claim; rose quartz's coolness is a physical property of the stone, not something a skin study would test.

Claims read from Amazon listing (BAIMEI IcyMe Natural Rose Quartz Gua Sha Facial Sculpt Massage Tool). Retailer copy only.

better Mount Lai De-Puffing Rose Quartz Gua Sha 4 claims checked

The de-puffing and lymphatic language track a real mechanism, light stroking can nudge surface fluid and offer temporary tension relief, though the brand does not say how hard or how long to use the tool, so the size of that effect is not checkable. The jump to 'impurities,' 'sculpted,' and 'defined contours' claims outruns what massage with a smooth stone can do. No brand studies are cited for this tool.

Partial “Helps reduce the look of puffiness” Manual massage with a smooth stone tool can produce a short-term reduction in facial puffiness by moving surface fluid, but the effect is temporary and the brand discloses no pressure, stroke count, or session length that would let anyone check the claim as sized.
Partial “Gently promotes lymphatic drainage, releasing impurities and enhancing nutrient absorption” Light stroking massage can encourage superficial lymph flow, which is the real mechanism, but 'releasing impurities' and 'enhancing nutrient absorption' describe detox and metabolic effects that manual lymphatic massage has not been shown to produce.
Unsupported “Supports a more sculpted-looking appearance and more defined facial contours” No published evidence shows a handheld gua sha tool changes facial bone or fat structure; any 'contouring' effect is fluid shift and skin warming that fades within hours, not a lasting definition change.
Unverifiable “Glides effortlessly across skin, targeting deep tension and fascia adhesions” Fascia release from external massage tools is plausible as a mechanism but the brand names no fascia-specific study, and rose quartz composition and edge geometry are not addressed by any published gua sha research.

Claims read from Brand product page, mountlai.com/products/the-rose-quartz-gua-sha-tool.

best Wildling Empress Stone Gua Sha 5 claims checked

The massage part of this claim holds up in a general sense: working a smooth stone across the face can ease muscle tension and move fluid the way any facial massage does. The specific promises, a lifted and sculpted face, smoother wrinkles, plumper skin, lean on an in-house percentage survey with no visible methodology, so they outrun what's been shown. The stone-energy, ultrasound, and infrared language sits outside any evidence we could find.

Partial “Lifts, sculpts, and depuffs the face” Manual gua sha massage can produce short-term depuffing through fluid movement, but a lasting lift or sculpting effect is not shown by any published, controlled study of this tool.
Unsupported “Plumps skin and minimizes wrinkles” The brand's own '95% saw smoother, less visible wrinkles' figure has no disclosed methodology or sample size, and no independent study of Bian stone gua sha on wrinkle depth exists.
Partial “Relieves facial and jaw tension” Manual massage relieving muscle tension is well documented in general massage-therapy research, but that evidence is not specific to this stone or to facial gua sha technique.
Partial “Promotes lymphatic drainage” Manual lymphatic drainage massage has some supporting research, but gua sha strokes with this specific stone have not been studied for lymphatic effect on the face.
Unsupported “Bian stone emits energy, ultrasound pulsations, and far-infrared waves for anti-aging benefits” No published evidence supports stone-emitted 'energy,' measurable ultrasound pulsations, or far-infrared output from a hand-held mineral tool producing anti-aging effects.

Brand evidence: Wildling in-house results (95% lifted, 98% sculpted, 95% smoother wrinkles, 97% firmer/plumper, cited at 2 weeks) (No methodology, sample size, or controls are published on the page, so the percentages can't be matched against the wrinkle and lift claims they're used to support.)

Claims read from Brand product page, wildling.com/products/empressstone.

IPL hair removal

best Nood The Flasher 2.0 IPL 4 claims checked

The device's own numbers, 4.5 J/cm2 fluence across a 510-1200 nm broadband spectrum, sit in the range published IPL research treats as hair reduction, not removal. "Permanently removes hair" outruns that: the accurate word for this technology is reduction, and regrowth is normal. The 92% figure has no visible study behind it, so it reads as a number rather than evidence. "Pain-free" leaves out that comfort and results both depend on skin tone and hair color, which IPL devices are known to be limited by.

Unsupported “Permanently removes hair” IPL at 510-1200 nm and 4.5 J/cm2 is broadband light hair reduction, the technology dermatology literature and FDA clearances describe as permanent hair reduction, not removal. Regrowth over time is expected and documented even after a full course.
Unverifiable “92% reduction in hair regrowth after 8 weeks” No independently published study for this specific device and protocol is cited on the page. The number appears to come from an in-house test with no visible sample size, comparator, or peer review.
Partial “Pain-free, long-lasting results” IPL hair removal is generally tolerable at low-to-moderate fluence, but comfort depends on skin tone and hair color, and IPL devices are not effective on light or gray hair, so "pain-free" and "long-lasting" do not hold for every user the device is marketed to.
Unverifiable “FDA-cleared” The page states FDA clearance but does not list a 510(k) number, and this session had no way to check the FDA database directly against this specific model.

Brand evidence: In-house 8-week reduction test (92% reduction figure) (Cited to support a general hair-reduction claim but no methodology, sample size, or independent review is published alongside it, so it cannot be weighed against the claim as worded.)

Claims read from Brand product page (trynood.com/products/the-flasher-2).

Mens razor

good Gillette Mach3 Razor 4 claims checked

The blade layout and skin guard are real, checkable features of the razor itself, so those parts of the label hold up. The softer promises, like the lubrication strip protecting against redness and refills lasting a set number of shaves, lean on plausible mechanics rather than any published measurement, so they land as reasonable but unproven rather than demonstrated.

Supported “3 blades progressively positioned to cut hair gradually closer” This describes the device's actual blade geometry, a physical spec that can be checked by looking at the razor itself rather than a study.
Partial “Lubrication strip glides to help protect your skin from redness” Lubricating strips do reduce blade drag, which is a real mechanism, but Gillette does not publish a study tying this specific strip to reduced redness, so the protective claim outruns the disclosed evidence.
Partial “Microfin skin guard stretches the skin and prepares hair to be cut” Pre-stretching skin ahead of a blade is a plausible mechanical effect, but no published comparison shows this guard measurably improves closeness or reduces irritation versus a razor without it.
Unverifiable “Each refill lasts up to 15 comfortable shaves” Blade life depends on hair coarseness, shave frequency, and technique, and Gillette gives no methodology for how the 15-shave figure was measured.

Claims read from Gillette brand product page (gillette.com Mach3 razor/refills).

best Henson Shaving AL13 Aluminum Double Edge Safety Razor 4 claims checked

The build claims hold up on paper: aluminum machined at an aerospace shop, a blade clamped at a fixed angle, no springs or moving head. What doesn't hold up is the number doing the marketing work, that "77% less razor burn" line, since the page names no study and no method behind it. The single-blade, fixed-angle design is a real mechanism for less drag than a multi-blade cartridge, just not one this page proves at the scale the number suggests.

Unverifiable “Machined to aerospace tolerances as tight as 12.7 micrometers” This is a manufacturing spec from the brand's own aerospace facility with no independent measurement or third-party audit published alongside it.
Unsupported “Reduces razor burn by 77% compared to multi-blade razors, per clinical testing” No study name, sample size, or methodology is published on the page, so the 77% figure cannot be checked against any real trial.
Partial “Fixed 30-degree blade angle means less tugging, pulling, and irritation” A single, rigidly clamped blade removing flex is a plausible mechanism for less drag, but the page offers no published comparison isolating angle rigidity from the unnamed 77% burn claim.
Unverifiable “Buy once, use for life” Aluminum construction with a scratch-resistant anodized finish supports long service life as a material property, but no wear-testing data or warranty study backs a lifetime timeframe.

Brand evidence: Unnamed internal razor-burn comparison ("clinical testing," no study name or design published) (Used to sell the 77% razor burn reduction claim, but with no methodology or comparison group detail available to check the claim against the design.)

Claims read from Henson Shaving brand product page (hensonshaving.com/products/henson-al13-in-aircraft-aluminum).

Red light therapy

good Project E Beauty LED Face Mask 7-Color Light Therapy 4 claims checked

The mask's core idea, that red and infrared light can affect skin at the right wavelength and dose, is real and has published support. What is missing here is the mask's own numbers: no stated wavelength, irradiance, or session time for this specific 7-color unit, so there is no way to line its light up against the studies that back red light therapy as a phrase. The brand's own materials hint that single-wavelength devices claim the strongest rejuvenation effects, which reads as a quiet admission that the 7-in-1 version spreads its light thinner than the studies it is selling on.

Partial “7-color LED photon therapy addresses multiple skin concerns in one mask” Red and near-infrared light have published evidence for skin effects, but the brand does not disclose wavelength or irradiance for each of the 7 colors, so the claim as worded outruns what can be checked color by color.
Unverifiable “Red light supports collagen and reduces fine lines” Published trials on red light and collagen typically specify wavelength (around 630 to 660nm) and dose (fluence), and this brand's page does not state those numbers for this mask, so the specific device cannot be matched to the specific studies.
Unverifiable “Blue light helps with acne-prone skin” Blue light acne studies depend on wavelength (around 415nm) and treatment duration or session count, none of which is disclosed for this mask, so the claim cannot be matched to a specific published protocol.
Partial “Infrared light provides deeper skin rejuvenation” The brand's own blog copy contrasts single-wavelength infrared masks as offering deeper rejuvenation than 7-color systems, which suggests the 7-color mask's infrared output is a secondary feature rather than the concentrated dose used in the infrared studies it borrows credibility from.

Claims read from Project E Beauty search results and blog copy (product page unreachable after repeated attempts). Retailer copy only.

better CurrentBody Skin LED Light Therapy Face Mask 4 claims checked

The core mechanism holds up: red and near-infrared light in the wavelengths this mask uses have real published evidence behind collagen stimulation and wrinkle reduction. Where the label outruns that evidence is the timeline, since the '4 weeks' claim is shorter than the 8-week study the brand itself cites, and the pigmentation and brightening claims, which rest on thinner evidence than the wrinkle and firmness claims. The '30% wrinkle reduction' and '57% plumpness' figures trace to one company-funded test with 35 subjects rather than independent peer-reviewed research, and the '10x faster' serum claim has no data behind it at all.

Partial “Red 633nm light boosts collagen, reducing fine lines and wrinkles” 633nm sits in the red-light range with published collagen and wrinkle-reduction evidence, but the specific wrinkle-reduction figure the brand cites comes from a single company-commissioned test (SGS, n=35) rather than independent peer-reviewed literature.
Partial “Near-infrared 830nm and 1072nm firm, tighten, and brighten skin” 830nm falls within the 800 to 850nm band studied for firmness and elasticity gains, but 'brighten' and pigmentation effects have thinner published support than the wrinkle and firmness mechanism, and 1072nm is a less-studied wavelength in the independent literature.
Unsupported “Visible results in as little as 4 weeks” The brand's own cited study ran 56 days, about 8 weeks, not 4, so the shorter timeframe in the marketing outruns the timeline the SGS test actually measured.
Unverifiable “Results up to 10x faster when combined with the brand's Green Tea Serum” No study or data supporting a specific multiplier from pairing the mask with a serum is published or cited anywhere on the product page.

Brand evidence: SGS independent testing, 56 days, 35 subjects (Design matches the wrinkle-volume and elasticity claims it backs (forehead and crow's feet wrinkle volume, elasticity, hydration), but it is a single manufacturer-commissioned test with a small sample, not an independently published peer-reviewed trial, despite the 'independent' label.)

Claims read from CurrentBody's own product page (currentbody.com).

Womens body razor

good Gillette Venus Venus Smooth Razor 5 claims checked

The blade count and lubricating strip are real, checkable specs, and a lubricating strip reducing drag is a plausible mechanism for less irritation. Words like 'flawless control' and 'cost-effective' outrun anything the brand backs with numbers. This is a straightforward razor with ordinary marketing language, not a device with published performance testing behind it.

Unverifiable “3 ultra-sharp blades for a quick and close shave” Blade count and sharpness are real specs, but the brand publishes no independent closeness study for this model, and blade count alone does not establish shave closeness.
Partial “Lubricating strip helps protect skin from shave irritation” Lubricating strips reduce blade drag and can lower nick and irritation risk, a mechanism supported in general shaving research, but the brand does not disclose the strip's formula or cite a study on this specific cartridge.
Unverifiable “Comfortable, close shave” Comfort is subjective and no published data ties this specific blade geometry to measured comfort outcomes.
Unsupported “Durable, no-slip grip gives flawless control” Handle grip affects control, but 'flawless' claims a result no razor can guarantee, and no evidence measures control outcomes for this handle.
Unverifiable “Cost-effective choice compared to disposable razors” Whether a refillable system saves money depends on refill price and replacement frequency, figures the brand page does not provide.

Claims read from Gillette Venus brand product page (gillettevenus.com, Smooth Razor).

An ingredient the library has not written up yet is listed as unknown rather than guessed at. The library grows in reviewed batches, ordered by how often an ingredient actually appears on this shelf.