La Mer Review, Is La Mer Non-Toxic?
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Across 3 graded products, La Mer averages Excellent (75/100). On disclosure, the brand says nothing publicly about PFAS. 3 of its products grade Good or better. Grades are model-based estimates, not lab results.
Worth buying from La Mer Good or better, safest first
La Mer
Moisturizing Cream
Water, mineral oil, petrolatum, glycerin, wax, typical emollient cream base
Fragrance allergens and undisclosed components
LA MER lists 'fragrance' as a single ingredient without itemizing constituent allergens…
Botanical extracts and botanical contaminants
LA MER includes seaweed extract and other botanicals without published heavy metal or…
Lower PFAS concern; no water-repellent coating or water-resistant treatment typical of cream formulas.
⚠Risky category by default
La Mer
The Moisturizing Fresh Cream
water-in-oil emulsion with natural mineral-derived actives (seaweed, kelp ferment)
Heavy metals
Kelp and seaweed extracts naturally bioaccumulate cadmium, lead, and arsenic from marine…
Fragrance allergens
The product contains mixed fragrance compounds not fully disclosed on label (listed as…
1,4-dioxane (manufacturing byproduct)
Emulsifiers and surfactants used in water-in-oil creams can harbor trace 1,4-dioxane as a…
Lower-concern cosmetic; no waterproofing chemistry typical of PFAS-prone products.
⚠Risky category by default
La Mer
The Moisturizing Soft Cream
Oil-in-water cream emulsion with mineral oil, petrolatum, glycerin, proprietary marine complex
Fragrance allergens and sensitizers
La Mer's proprietary fragrance blend and botanical marine extracts (often including…
Emulsion stability and preservative efficacy over time
Oil-in-water creams can degrade if stored improperly (heat, light exposure) and may…
Lower PFAS concern, but La Mer provides no testing disclosure.
⚠Risky category by default
Every grade uses the same public rubric. How grades work →