Film Former
BIS-HEA POLY(1,4-BUTANEDIOL)-9/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A polyurethane-acrylate hybrid film former built from hydroxyethyl acrylate, polybutanediol-9, and IPDI. Cured film is inert; safety depends on tight control of residual diisocyanate and acrylate monomers.
Function
Skin benefits
- Forms a flexible, durable film on nails
- Resistant to chipping and water
- Cured polymer is non-bioavailable
Known concerns
- Residual IPDI (isophorone diisocyanate) is a potent respiratory sensitizer
- Limited public CIR review of this specific copolymer
- Methacrylate (HEA) residuals can sensitize skin
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.