Film Former
BIS-HPMA POLY(BUTYLENE/HEXAMETHYLENE CARBONATE)/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A UV-cure nail polymer with HPMA acrylate end groups and a flexible polycarbonate-urethane core. Cured polymer is inert; uncured monomer is the sensitization concern that keeps it in the mid-yellow tier.
Function
Skin benefits
- Flexible, durable film for nail products
- Aliphatic polycarbonate offers good elasticity
- UV-curable for long-wear formulations
Known concerns
- HPMA is a documented skin sensitizer in uncured form
- Residual IPDI monomer requires control
- Acrylate-class sensitization risk for nail technicians
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.