Apple Cider Vinegar Shampoo vs Chronologiste Bain Régénérant Shampoo: which is safer?
These two grade almost identically. Pick on price and preference; neither has a PFAS edge.
Aveeno
Apple Cider Vinegar Shampoo
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleSurfactant irritation (skin/eye contact)
PossibleFragrance allergens
PossibleMicrobial contamination (post-purchase)
Kerastase
Chronologiste Bain Régénérant Shampoo
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossiblePreservative allergens (contact sensitization)
PossibleFragrance undisclosed components (respiratory/skin sensitization)
PossibleMicroplastics (synthetic polymers)
Where these two actually differ
- We flag Surfactant irritation (skin/eye contact), Fragrance allergens and Microbial contamination (post-purchase) on the Aveeno and not on the Kerastase.
- We flag Preservative allergens (contact sensitization), Fragrance undisclosed components (respiratory/skin sensitization) and Microplastics (synthetic polymers) on the Kerastase and not on the Aveeno.
- The Aveeno is aqueous liquid shampoo (typical surfactants, conditioning agents, water) where the Kerastase is aqueous surfactants, conditioning agents, preservatives, typical liquid shampoo formulation, which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
Both products run through the same public rubric, which covers materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
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