Film Former
POLYHYDROXYPROPIONATE/HDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A film-forming polymer combining polyhydroxypropionate with HDI (hexamethylene diisocyanate) units, used to improve cosmetic texture and durability. Cured polymer is generally tolerated; monomer purity is critical.
Skin benefits
- Forms a flexible film on skin and hair
- Improves texture and adhesion in formulations
- Stable polymer with low dermal absorption
Known concerns
- Residual HDI isocyanate monomer is a known respiratory sensitizer if not adequately removed
- Limited cosmetic-specific safety literature
- Microplastic-style polymer with environmental persistence concerns
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, so always read the physical product label and consult a healthcare professional for personal concerns.