Film Former
CHOLESTEROL/HDI/PULLULAN COPOLYMER
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cholesterol-pullulan polymer crosslinked via hexamethylene diisocyanate, used as a skin-compatible film former. Inert once cured; main quality marker is full reaction of the isocyanate during manufacture.
Skin benefits
- Forms a barrier-like film on skin surface
- Combines biomimetic cholesterol with polysaccharide pullulan for skin compatibility
- Used as a moisture-retaining film former in advanced skincare
Known concerns
- Trace residual isocyanate monomer must be controlled in manufacture
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.