Film Former
BIS-HEMA POLY(PROPYLENE GLYCOL ADIPATE)/IPDI COPOLYMER
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A urethane-acrylate copolymer used as a durable film former, mainly in nail or long-wear products. Cured polymer is generally safe, but residual HEMA/isocyanate monomers are known sensitizers, so quality matters.
Function
Skin benefits
- Forms durable urethane-acrylate film for nail/long-wear products
- Contributes flexibility and gloss
- Functional film former at low percent
Known concerns
- HEMA and isocyanate (IPDI) building blocks are known sensitizers if residual monomers are present
- EU has restricted HEMA in nail products to professional use
- Cured polymer is much safer than residual monomers, but QC dependent
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.