Film Former
BIS-HEA 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 HEA-endcapped urethane copolymer of 1,4-butanediol and isophorone diisocyanate used as a binder. Considered safe in cosmetic use as a high-MW polymer; residual monomer levels in compliant formulations are typically very low.
Function
Skin benefits
- Reliable binding in cosmetic formulations
- Flexible urethane acrylate film
- Suitable for both leave-on and wash-off products
- High-MW polymer with limited monomer migration
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.