Tatcha · Moisturizer
Tatcha The Dewy Milk Moisturizer
Lower concern, lightweight moisturizer with no known PFAS-prone materials or treatments, but brand makes no explicit commitment.
Tatcha's Dewy Milk is a water-based liquid moisturizer with no Teflon-type coating, Teflon-family coating, or waterproofing treatment that would typically introduce PFAS. The formula uses organic and botanical ingredients without disclosed fluorinated compounds.
Shop Tatcha on Amazon →Material
water-based cream emulsion; no reported Teflon-type coating, Teflon-family coating, or waterproof durable treatment
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
cosmetics is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Tatcha Dewy Milk is a lightweight water-based emulsion, not an occlusive oil or wax-heavy cream. The formula relies on humectants (likely glycerin or similar water-binding agents) and emulsifiers to blend water and botanical extracts. Water-based moisturizers carry lower inherent chemical risk than oil-based or silicone-heavy products because they avoid persistent lipophilic compounds and volatilization of solvents.
The brand's record and disclosure
Tatcha publishes ingredient lists and markets itself as clean beauty, but does not disclose full supply chain details, formulation sourcing, or third-party safety testing. No recalls, contamination incidents, or regulatory warnings exist for this product in public records. The brand is silent on PFAS avoidance and heavy-metal testing in pigments, which limits confidence in upstream manufacturing controls.
How it compares in its category
Water-based moisturizers like this sit in the lower-risk tier of the cosmetics category compared to talc-prone powders, heavy-metal-laden bronzers, or fragrance-dense products. Tatcha's positioning overlaps with other indie clean brands (e.g., CeraVe, Vanicream) that also avoid flagged chemical classes, though Tatcha does not pursue third-party certification (NSF, EWG verified) that would provide external accountability.
If you buy it
Apply to clean, damp skin to maximize water retention; store in a cool, dry place away from direct sunlight to prevent emulsion breakdown and microbial growth. Patch-test first if you have sensitive skin, as fragrance or botanical extracts (e.g., rice bran, squalane) may trigger irritation in some users. Discard if you notice separation, discoloration, or off-odor (signs of degradation or contamination). Replace annually or per expiration date to ensure emulsion stability.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
1,4-dioxane (probable solvent/emulsifier residue)
Water-based emulsions often use ethoxylated ingredients or surfactants; manufacturing residues of 1,4-dioxane (a likely carcinogen) are possible but not confirmed for this product. Tatcha does not disclose whether suppliers filter or test for this contaminant.
Heavy metals in colorants/preservatives
No recalls or testing data exist for lead, cadmium, or arsenic in this moisturizer. Water-based formulations are lower-risk than pigmented cosmetics, but Tatcha does not publish metal-testing results.
Fragrance allergens (undisclosed components)
Tatcha lists 'fragrance' as a catch-all ingredient; the Dewy Milk includes botanical extracts (rose, peony) that may contain volatile allergens. No full fragrance disclosure prevents identification of specific sensitizers.
Formaldehyde releasers (preservative class)
No evidence that this product uses DMDM hydantoin, imidazolidinyl urea, or other formaldehyde-releasing preservatives. Water-based emulsions often rely on safer preservative systems, but Tatcha does not confirm this.
Microbial contamination risk (if seal breached)
Water-based creams support bacterial and mold growth if stored improperly or if container integrity is compromised. No airless pump on standard packaging increases exposure risk compared to sealed alternatives.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 78% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Moisturizer
Tatcha
Starter The Ritual Set Ultra Hydrating For Dry Skin
Water-based cosmetic creams and serums; glass/plastic packaging
Lower PFAS concern for a cosmetic moisturizer set, but Tatcha makes no public PFAS commitment.
⚠Risky category by default
Herbivore Botanicals
Orchid Facial Oil
plant oils, botanical extracts, glass bottle
Lower concern; facial oil with no known PFAS triggers, but brand offers no transparency.
⚠Risky category by default
Herbivore Botanicals
Herbivore Lapis Balancing Facial Oil
plant oils, mineral pigments, glass bottle
Lower concern for PFAS; facial oil in glass, typical formulation poses minimal risk.
⚠Risky category by default
More moisturizer grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.