Film Former
BIS-HPMA POLY(CAPROLACTONE HEXANEDIOL)/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A close cousin of the butanediol variant — HPMA-capped polycaprolactone-hexanediol chains crosslinked through IPDI. Hexanediol adds a touch more flexibility to the cured film. Same sensitiser caveat for uncured methacrylate ends.
Function
Skin benefits
- Tough glossy films for nail and long-wear cosmetics
- Hexanediol segment gives slightly softer flex than butanediol variant
- Once cured it is essentially inert
Known concerns
- Reactive HPMA methacrylate end-groups are documented sensitisers
- Residual IPDI isocyanate must be controlled at manufacture
- Mostly relevant to nail-tech exposure rather than skin
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related film formers
Same plant / compound family
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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.