Film Former
BIS-HEA ISOPROPYLIDENEDIPHENYL BISOXYHYDROXYPROPYL ETHER/IPDI COPOLYMER
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A urethane-acrylate nail polymer combining a Bisphenol-A-derived diol with IPDI isocyanate. Cured polymer is inert, but free BPA or IPDI monomers raise endocrine and sensitisation concerns — handle with care.
Function
Skin benefits
- Builds a tough, glossy film in nail products
- Improves chip resistance and adhesion
- High MW polymer — non-absorbed when fully cured
Known concerns
- Bisphenol A backbone — endocrine disruption concern from any free BPA
- IPDI isocyanate is a potent respiratory and skin sensitiser if unreacted
- Poor cure can leave residual reactive monomers
- Unsuitable for facial leave-on formats
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.