Film Former
BIS-HEMA POLYCAPROLACTONE/POLY(1,4-BUTANEDIOL)-6/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A UV-cure nail gel polymer with HEMA end groups and a polycaprolactone-urethane backbone. HEMA is a well-documented sensitizer (Regulation 2020/1682 restricts to professional use); cured polymer is inert, uncured is the risk.
Function
Skin benefits
- Durable, flexible nail gel film
- Polycaprolactone segments add elongation
- HEMA end-capping enables UV cure
Known concerns
- HEMA (2-hydroxyethyl methacrylate) is a known skin/respiratory sensitizer — EU restricted to professional nail use
- Residual IPDI monomer concerns
- Uncured polymer can cause contact dermatitis in nail technicians
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.