Film Former
BIS-HEA/HEMA POLY(1,4-BUTANEDIOL)-41/1,2-BUTANEDIOL/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polyurethane built from butanediol polyols and IPDI, end-capped with a mix of HEA and HEMA monomers — used as a nail-coating film former. Cured polymer is stable; uncured methacrylate residue is the sensitisation flag.
Function
Skin benefits
- Flexible film former for nails
- Long-wear adhesion
- Smooth, durable finish
Known concerns
- Residual IPDI/HEMA monomer risk
- Methacrylate sensitisation in raw form
- Sparse public safety data
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.