Biologique Recherche · Moisturizer
Biologique Recherche Lait S.R
Lower PFAS concern; emulsion cosmetic with no reported treatment.
Biologique Recherche Lait S.R is a botanical cleansing milk with water-based emulsifier system. No evidence of fluorochemical treatments or waterproofing additives typical of PFAS risk.
We flunk more products than we pass. This one earned its grade. How we grade
Material
water-based emulsion, botanical extracts, glycerin
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
cosmetics is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
Lait S.R is a water-based milky cleanser formulated with glycerin, botanical extracts, and standard cosmetic emulsifiers. The water-first base minimates volatile organic compound (VOC) off-gassing compared to oil or alcohol-dominant formulas. Glycerin is a humectant that poses no known toxicity concern at cosmetic concentrations. The botanical content (typically plant-derived actives like horse chestnut or ivy) carries minimal inherent hazard but requires scrutiny only if fragrance allergens are concentrated.
The brand's record and disclosure
Biologique Recherche is a French skincare house with no public major safety recalls or regulatory actions on record. The brand does not prominently disclose ingredient sourcing, third-party testing, or PFAS stance, though it lists ingredients on packaging per EU cosmetics regulation. No independent certifications (organic, cruelty-free seals) appear standard across their range, reflecting a premium positioning that emphasizes efficacy claims over transparency certifications.
How it compares in its category
Milk cleansers in this price tier typically share the same water-emulsion base as Lait S.R, making it compositionally conventional rather than novel. Compared to gel or foam cleansers, milk formulas have lower surfactant load and reduced skin irritation risk. Versus oil-based alternatives, the water base means less occlusion and faster rinse-off, reducing residue buildup that could harbor bacterial growth if left on skin too long.
If you buy it
Use as directed (typically massage onto damp skin, rinse thoroughly with water). Do not leave product sitting on skin for extended periods to avoid potential bacterial colonization of residual emulsion. Discard after 12 months of opening or if separation, odor, or visible mold appears, as preservative efficacy degrades over time. Store in cool, dry conditions away from direct heat or sunlight to preserve emulsifier 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 (trace solvent contaminant)
Water-based emulsions may contain trace 1,4-dioxane as a byproduct of ethoxylated emulsifiers used in milk cleansers. No specific testing for Lait S.R is on record; EU regulations limit but do not prohibit this contaminant in rinse-off products.
Fragrance allergens and undisclosed components
Biologique Recherche does not itemize fragrance components beyond 'fragrance' or 'parfum' on packaging. Botanical extracts may contain natural allergens (e.g., limonene, linalool from plant oils); sensitive individuals should patch-test or request full ingredient transparency from the brand.
Preservative sensitivity and microbial growth if mishandled
Water-based emulsions require effective preservatives to prevent bacterial and fungal growth once opened. If stored in warm, humid conditions (bathrooms) or if contaminated with water or unclean applicators, preservative efficacy may be overwhelmed over time.
Heavy metals in botanical extracts or pigments
No recalls or testing reports indicate heavy metal contamination in Lait S.R or typical Biologique Recherche botanical actives. EU cosmetics regulations require safety substantiation, though independent verification is not publicly available for this product.
Formaldehyde releasers in preservative system
Some water-based emulsions use formaldehyde-releasing preservatives (e.g., DMDM hydantoin, imidazolidinyl urea) to extend shelf life. Biologique Recherche does not publicly disclose preservative choice; EU regulations allow these at low thresholds, though some consumers prefer formaldehyde-free alternatives.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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
Biologique Recherche
Lotion P50
Water, glycerin, botanical extracts, humectants
Lower PFAS concern; standard cosmetic moisturizer without aqueous film-forming agents.
⚠Risky category by default
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
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.