Film Former
BIS-HEA POLY(1,4-BUTANEDIOL)-22/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A HEA-endcapped urethane copolymer of poly(1,4-butanediol)-22 and isophorone diisocyanate used as a binder. Generally safe as a high-MW cured polymer; residual monomer levels are tightly controlled in compliant cosmetic formulations.
Function
Skin benefits
- Reliable binding for nail and skin cosmetics
- Flexible, durable urethane-acrylate film
- High-MW polymer with low residual monomer profile
- Compatible with both leave-on and rinse-off
Known concerns
- Residual isophorone diisocyanate possible
- Residual HEA possible (skin sensitizer)
- Microplastic environmental persistence
- Strict EU residual monomer compliance required
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.