Film Former
BIS-HEMA POLY(1,4-BUTANEDIOL ADIPATE)/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A urethane-acrylate copolymer used in long-wear and UV-curable nail systems. Cured polymer is inert; key concern is residual IPDI isocyanate from manufacture.
Function
Skin benefits
- UV-curable nail/long-wear film former
- Glossy durable finish
- Inert when fully cured
Known concerns
- IPDI (isocyanate) monomer residues possible
- Sensitization risk from uncured monomer
- Mainly nail-product use
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.