Film Former
STEAROXY HYDROXYPROPYL PEI-1500
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A polyethyleneimine modified with stearyl chains and hydroxypropyl groups — works as a substantive conditioning film former. Cationic chemistry means it sticks well, but high-% PEI can be eye-irritating in rinse-off.
Function
Skin benefits
- Forms a substantive conditioning film on skin and hair
- Improves wet-comb in haircare
- Adds smooth, conditioned afterfeel
Known concerns
- Polyethyleneimine backbones can be eye-irritating at high %
- Cationic substantivity can build up on hair
- Limited public CIR/SCCS dossier on this exact derivative
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
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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.