Quaternary ammonium conditioner
QUATERNIUM-85
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A cationic conditioning agent used in hair products. It deposits a thin film on the hair shaft to neutralize static, improve combability, and add softness in rinse-off and leave-in conditioners.
Skin benefits
- Conditions hair and reduces static
- Helps with detangling
- Improves hair feel and combability
- Compatible with surfactant systems
Known concerns
- Quaternary ammonium can irritate sensitive scalp or eyes
- Potential buildup with repeated use
- Limited public safety data versus older quats
- Not readily biodegradable
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related quaternary ammonium conditioners
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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.