Hair Conditioning
POLYQUATERNIUM-12
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A positively charged polymer that conditions hair and forms thin films on skin. Long-used cosmetic quat with mild irritation potential at high levels and average safety profile overall.
Function
Skin benefits
- Antistatic and film-forming for hair and skin
- Improves comb-through and conditioning
- Stable across cosmetic pH range
Known concerns
- Mild eye irritation potential at high levels
- Quaternary ammonium polymers can build up on hair
- Not readily biodegradable
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related hair conditionings
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.