Hair Conditioning
POLYQUATERNIUM-54
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A cationic conditioning polymer built on an aspartic-acid backbone with alkylamine side chains. Coats hair to reduce static and ease combing; large polymer size means it stays on the hair surface with minimal absorption.
Function
Skin benefits
- Polymeric hair conditioner
- Improves wet/dry combing
- Aspartic-acid-based polymer
- Substantive on hair surface
Known concerns
- Cationic polymer — possible eye irritation in concentrated form
- Limited public independent dossier
- Aquatic toxicity awareness for cationics
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, so always read the physical product label and consult a healthcare professional for personal concerns.