Film Former
BIS-HPA POLY(1,4-BUTANEDIOL)-9/GLYCOL/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polyurethane film-forming copolymer made from butanediol and IPDI. Inert when fully cured, but residual IPDI monomer is a known sensitizer — purity matters.
Function
Skin benefits
- Polyurethane film former
- Helps water resistance and wear
- Inert when fully reacted
Known concerns
- IPDI monomer is a known sensitizer/respiratory irritant — residuals matter
- Polymer purity drives safety
- Limited authoritative cosmetic review
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.