Film Former
BIS-HEMA POLY(1,4-BUTANEDIOL)-13/1,4-BUTANEDIOL/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A urethane-acrylate built from HEMA-capped 13-unit poly(1,4-butanediol), with extra butanediol and IPDI linkers — a UV-curable nail polish backbone. Cured film inert; uncured HEMA methacrylate is a well-known contact allergen in nail techs.
Function
Skin benefits
- Tough flexible film-former for nail products
- HEMA end-groups give UV-curable performance
- Long-wear gloss and chip resistance
Known concerns
- HEMA methacrylate end-groups are documented contact sensitisers
- Residual IPDI isocyanate must be controlled
- Mainly relevant to nail-tech exposure
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
Check your shelf
Find BIS-HEMA POLY(1,4-BUTANEDIOL)-13/1,4-BUTANEDIOL/IPDI COPOLYMER in your products.
Scan any cosmetic product with LuxSense to see if it contains BIS-HEMA POLY(1,4-BUTANEDIOL)-13/1,4-BUTANEDIOL/IPDI COPOLYMER and get a full ingredient breakdown with safety scores.
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.