Hair Conditioning
POLYQUATERNIUM-103
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cationic conditioning polymer used in hair and skin care. Mild and substantive at typical use levels; quat polymers can build up over time.
Function
Skin benefits
- Cationic conditioning polymer for hair and skin
- Improves wet-comb and softness in hair products
- Tends to be substantive on damaged hair
Known concerns
- Quat-class polymers can cause cumulative buildup
- Eye and mucosal irritation possible at higher levels
- Limited stand-alone toxicology dossier
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.