Kerastase Nutritive Bain Satin Riche Shampoo 8.5 oz
Lower PFAS concern for this rinse-off product.
This rinse-off shampoo uses water and standard surfactants without waterproofing or stain-resistant PFAS treatments. No lab data or recalls indicate PFAS presence.
We flunk more products than we pass. This one earned its grade. How we grade
Material
aqueous shampoo base (water, surfactants, conditioning agents)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Kerastase Nutritive Bain Riche Shampoo is made of, ingredients and materials
Kerastase Nutritive Bain Satin Riche is an aqueous shampoo base formulated with surfactants (cleansers), conditioning polymers, and emollients designed to soften and moisturize hair. The 'Satin Riche' variant emphasizes ceramides, amino acids, and oils (likely silicones or plant-derived conditioning agents) to reduce dryness. Because this is a rinse-off product applied briefly to hair and scalp then washed away, dermal and systemic absorption risk is substantially lower than leave-on cosmetics.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Fragrance allergens
Kerastase shampoos contain synthetic fragrance blends not fully disclosed on label due to fragrance trade secret protection. Individuals with fragrance sensitivity or history of contact dermatitis may experience scalp irritation; this is a recognized but non-toxic risk common across fragranced shampoos.
1,4-dioxane contamination
This surfactant-based shampoo may contain trace 1,4-dioxane as a byproduct of ethoxylation in polyethylene glycol-derived conditioning agents. Rinse-off exposure is minimal; no regulatory limit exists in the United States, though the EU limits it in leave-on products. This is a known but unquantified contaminant in mass-market shampoos.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Formaldehyde / VOCs
No formaldehyde donors (DMDM hydantoin, imidazolidinyl urea) are listed or known to be used in this product line. Modern Kerastase formulations use gentler preservative systems (phenoxyethanol, methylisothiazolinone), though full preservative disclosure is not publicly available.
Source, ATSDR ↗Heavy metals
Kerastase Nutritive Bain Satin Riche is an opaque or translucent liquid; any mica or iron oxide colorants present are subject to FDA ingredient limits for color additives. No public test data confirms heavy metal presence; regulatory compliance is assumed.
Source, FDA ↗Scalp irritation from high pH or alkaline actives
This is a gentle conditioning shampoo formulated for sensitive and dry hair; pH is likely neutral to mildly acidic (5.5-7), which reduces risk of disrupting scalp barrier. No keratolytic actives (salicylic acid, sulfur) are present.
How is this PFAS grade calculated?
The brand's record and disclosure
Kerastase is owned by L'Oreal, which maintains compliance with FDA and EU cosmetic ingredient regulations. The brand does not publish a dedicated PFAS transparency statement, and ingredient lists do not explicitly declare PFAS-based water-repellents or surfactants (common in some premium personal care lines). No recalls or safety advisories specific to this product line have been established. L'Oreal products generally meet ingredient restrictions in major markets, though disclosure of trace contaminants remains opaque.
How it compares in its category
This luxury shampoo sits at the premium end of the mass-market segment; formulations at this price point typically contain more conditioning polymers and fragrance than budget alternatives. Compared to medical or clarifying shampoos, Nutritive Bain Satin Riche carries lower risk of sensitizing actives (no sulfates, no strong keratolytics). Most competitors in the luxury hair-care category (Bumble and bumble, Olaplex, Moroccanoil) use similar surfactant and polymer chemistry with comparable regulatory compliance.
If you buy it
Use as directed, apply to wet hair, lather, rinse thoroughly with water to remove all product residue. Store in a cool, dry place away from direct sunlight to preserve emulsifier stability. Discontinue use only if itching, redness, or burning occurs (sign of contact sensitization to fragrance or preservative, not formulation defect). Replace bottle every 6-12 months of regular use to minimize bacterial growth and oxidative degradation of conditioning agents.
What is not known about PFAS in this product?
- Basis
- Model estimate, 75% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Kerastase has made none
Formulations change between production runs, so check the current label. How we grade.
More shampoo 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.