Apple Cider Vinegar Shampoo vs Hair Strengthening 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)
Kristin Ess
Hair Strengthening Shampoo
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleFragrance allergens and sensitization
PossiblePreservative-related irritation
PossibleScalp irritation from conditioning agents or silicones
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 Kristin Ess.
- We flag Fragrance allergens and sensitization, Preservative-related irritation and Scalp irritation from conditioning agents or silicones on the Kristin Ess and not on the Aveeno.
- The Aveeno is aqueous liquid shampoo (typical surfactants, conditioning agents, water) where the Kristin Ess is aqueous shampoo base, surfactants, conditioning agents, 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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