PFAS conditioning quat
C4-18 PERFLUOROALKYLETHYL THIOHYDROXYPROPYLTRIMONIUM CHLORIDE
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A perfluoroalkyl quaternary ammonium conditioner combining PFAS chemistry with quat functionality. Performance is excellent but PFAS persistence and toxicity make this a high-concern ingredient.
Skin benefits
- Provides water and oil repellency to hair
- Exceptional film-forming and substantivity
- Improves slip and combability
Known concerns
- Contains perfluoroalkyl (PFAS) groups which are persistent environmental pollutants
- PFAS are bioaccumulative and linked to endocrine, immune, and carcinogenic effects
- EU and US states are actively banning PFAS in cosmetics
- Long environmental half-life and water contamination concerns
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.