Does Kerastase shampoo have PFAS?
Kerastase shampoo averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Kerastase shampoo products graded as of October 2026, level with the 75 out of 100 median for the 34 other shampoo brands graded alongside it.
Kerastase shampoo averages Excellent on our four-band scale. 8 of the 8 we graded are worth buying. That is above 50% of the shampoo brands we grade.
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.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
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- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Kerastase shampoo worth buying Good or better, best-graded first
- Aqueous liquid shampoo base (surfactants, humectants, conditioning agents)
- We found no PFAS statement from the brand
- 1,4-dioxane (manufacturing contaminant). Dioxane can form during ethoxylation of surfactants in shampoo…
4 hazards checked on this product, all on its full breakdown.
- aqueous shampoo base (water, surfactants, conditioning agents)
- We found no PFAS statement from the brand
- Fragrance allergens. Kerastase shampoos contain synthetic fragrance blends not fully disclosed on label due…
2 hazards checked on this product, all on its full breakdown.
- aqueous surfactants, conditioning agents, preservatives, typical liquid shampoo formulation
- We found no PFAS statement from the brand
- Preservative allergens (contact sensitization). Aqueous shampoos require broad-spectrum preservatives…
3 hazards checked on this product, all on its full breakdown.
- aqueous shampoo base, silicones, botanical extracts
- We found no PFAS statement from the brand
- Fragrance allergens (undisclosed composition). Kerastase formulations typically include fragrance blends…
3 hazards checked on this product, all on its full breakdown.
- aqueous surfactant-based shampoo formulation
- We found no PFAS statement from the brand
- Fragrance allergens and sensitizers. Kerastase shampoos contain fragrance compounds; individual sensitivity…
2 hazards checked on this product, all on its full breakdown.
- aqueous shampoo base; polymers, silicones, and conditioning agents typical of luxury haircare
- We found no PFAS statement from the brand
- Fragrance allergens and undisclosed components. Luxury shampoos typically include fragrance blends listed…
3 hazards checked on this product, all on its full breakdown.
- aqueous shampoo base, typical cosmetic actives
- We found no PFAS statement from the brand
- Fragrance allergens and sensitizers. Kerastase Chronologiste lists 'fragrance' as a declared ingredient.…
2 hazards checked on this product, all on its full breakdown.
- aqueous liquid shampoo (surfactants, water, conditioning agents)
- We found no PFAS statement from the brand
- Fragrance allergens and undisclosed scent components. Kerastase lists 'fragrance' as a blend ingredient but…
3 hazards checked on this product, all on its full breakdown.
The same question, asked of the other shampoo brands
Best average grade first. Kerastase averages 75.
See every Kerastase product we grade on the Kerastase brand page, or the full shampoo ranking.