Hair Conditioning
HYDROXYETHYL CETYLDIMONIUM PHOSPHATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Hydroxyethyl cetyldimonium phosphate — a hair-conditioning quaternary ammonium compound that smooths and de-frizzes strands. Well-tolerated by the scalp at typical use levels; standard quat caveats apply.
Skin benefits
- Conditions hair, reducing frizz and static
- Provides emulsion stability
- Anti-static effect on hair
- Mild compared to many quats
Known concerns
- Quaternary ammonium compound — possible eye irritation in some formats
- Mild skin-sensitisation potential at high concentrations
- Limited published cosmetic-specific dossier
- Aquatic toxicity for the broader quat class
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.