cationic polymer
PEI-14M
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
PEI-14M is a high-molecular-weight polyethyleneimine used as a conditioning film-former, generally tolerated in finished products but with irritation and aquatic toxicity considerations.
Function
Skin benefits
- Cationic polymer providing hair and skin conditioning
- Film-forming and substantivity benefits
- Improves product texture and feel
Known concerns
- Polyethyleneimines can be eye and skin irritants at higher levels
- Aquatic toxicity of cationic polymers
- Limited recent SCCS review
- Quality varies with molecular weight
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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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.