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Tatcha · Moisturizers

Dewy Skin Cream

$74·50 ml·Leave-on
81
Low concern

Why this score

Concern51 / 55
  • Fragrance: watch if sensitive

How much genuine, cited concern the ingredients carry, weighted by how much of each is likely present and whether the product stays on or rinses off.

Transparency12 / 20
  • Uses an undisclosed "fragrance/parfum" blend, so its scent allergens are hidden.

Whether the full ingredient list, and any fragrance, are actually disclosed.

Formulation restraint18 / 25
  • 4 known irritant or fragrance-allergen ingredients: Gluconolactone, Fragrance, Limonene, Linalool.

Needless irritant or allergen load for the product type. A clean, purposeful formula scores well without any "free-from" theater.

Scored by PlainBody Editorial against the PlainScore method · Label checked July 2026

What’s inside

WaterGenerally safe

The base most products are built on. It carries the other ingredients and has no safety concern.

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GlycerinGenerally safe

A humectant that draws water into the skin. One of the best-studied, best-tolerated ingredients in personal care.

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PropanediolGenerally safe

A corn-derived solvent and humectant that has largely replaced propylene glycol in "clean" formulas; CIR reviewed the alkane diol group and found use concentrations up to about 40 percent in leave-on products like deodorant sticks with no meaningful irritation signal.

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DimethiconeCommonly feared, low concern

A silicone that gives a smooth, soft feel and helps hold water in the skin. Inert and well studied.

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SqualaneGenerally safe

A stable, saturated version of squalene, a lipid the skin already produces, now usually sourced from olives or sugarcane instead of shark liver. It is very well tolerated across skin types and helps reinforce the skin barrier.

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Diisostearyl MalateGenerally safe

A diester formed from malic acid and isostearyl alcohol. It conditions and smooths skin with no known safety issues in cosmetic use.

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Behenyl AlcoholCommonly feared, low concern

A long-chain fatty alcohol used to thicken and stabilize creams and soften skin. It is a waxy emollient, not a drying solvent, and is graded low concern in published assessments.

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InositolGenerally safe

A naturally occurring compound found in many plants that acts as a humectant to draw water into the skin and also provides antioxidant support. It is well tolerated and used at modest levels in skincare formulations.

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Green Tea ExtractCommonly feared, low concern

Green tea extract is a well-studied topical antioxidant with a long history of use in serums and moisturizers, generally well tolerated at cosmetic concentrations. Panel safety reviews of Camellia sinensis-derived ingredients have not identified meaningful topical hazard.

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Rice ExtractLimited concern

A water or bran extract of rice containing ferulic acid, small peptides and starches. It is a traditional East Asian skincare staple with some supporting antioxidant and mild-brightening data, but most of that evidence comes from cell or animal studies rather than large human trials, so the "brightening" claims on finished products go further than the direct evidence.

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Panax Ginseng Root ExtractWatch if sensitive

An energizing plant extract used in skincare preparations, known for antioxidant activity in cosmetic applications. Cosmetic safety assessments generally support its use, though like many botanical ingredients it may trigger reactions in very sensitive individuals.

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Hyaluronic AcidGenerally safe

A humectant that holds water at the skin surface for a more hydrated look. No safety concern.

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Vitamin EGenerally safe

An antioxidant that helps protect a formula and condition skin. Well tolerated.

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Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate CopolymerGenerally safe

A rheology modifier that thickens gels and serums while maintaining a lightweight, non-sticky feel. Provides suspension and stability in water-based formulas. Widely used and well tolerated.

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Polysorbate 60Generally safe

A synthetic surfactant widely used to emulsify oils and water in cosmetics. It is well tolerated and has been used safely in cosmetic formulations for decades.

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Butylene GlycolCommonly feared, low concern

A lightweight humectant and solvent similar in role to propylene glycol, used to carry actives and give lotions a lighter feel. CIR has reviewed it and considers it safe as used in cosmetics.

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Sodium BenzoateGenerally safe

The sodium salt of benzoic acid, used as a preservative in both foods and cosmetics. Decades of safety review support its use at typical cosmetic concentrations, with mild irritation the main reported issue in sensitive skin.

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GluconolactoneGenerally safe

Gluconolactone is a polyhydroxy acid that exfoliates gently while also acting as a humectant and mild antioxidant, and it is generally recommended for sensitive or barrier-compromised skin over smaller AHAs. A full cosmetic panel review found it safe as used, though some users still report mild stinging or redness at higher concentrations.

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EthylhexylglycerinGenerally safe

A glycerin derivative used as a skin conditioner and preservative booster, often paired with phenoxyethanol to allow lower total preservative levels. It has a low irritation and sensitization profile in safety reviews.

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FragranceWatch if sensitive

An undisclosed scent blend that can contain dozens of components. The single most common cause of cosmetic contact allergy, and the blend is not itemized, so you cannot see what is in it.

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PhenoxyethanolCommonly feared, low concern

A widely used preservative, safe at the legal limit of 1% or less. Often the "paraben-free" replacement.

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LimoneneWatch if sensitive

A citrus-scented fragrance component. Fine for most, but it oxidizes over time into a known contact allergen, so it must be labelled in the EU.

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LinaloolWatch if sensitive

A floral fragrance component and one of the EU-labelled fragrance allergens. Usually fine, worth watching if you react to scented products.

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MicaGenerally safe

A naturally occurring mineral silicate that adds shimmer and light-diffusing properties to cosmetics. Cosmetic-grade mica is well tolerated and should be free of asbestos and talc contamination.

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Tin OxideGenerally safe

A mineral pigment used to add opacity and soft-focus effects in cosmetics. FDA-approved for cosmetic use and graded low concern in published safety assessments.

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Titanium DioxideCommonly feared, low concern

A mineral UV filter and white pigment used in sunscreens and makeup. It sits on the skin surface rather than being absorbed, and major regulators consider it safe for topical cosmetic use.

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Note: this product hides its scent as an undisclosed “fragrance/parfum” blend, so its specific allergens are not on the label.

Lower-concern alternatives

Same category, higher PlainScore.

Cosmetic information for general education, not medical advice. Concern ratings are evidence-graded and cited on each ingredient page. See how we score.