Film Former
BIS-HEA/ETHYLHEXYL POLY(1,4-BUTANEDIOL)-11/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 copolymer used as a flexible film-former in long-wear cosmetics. The high-molecular-weight polymer does not penetrate skin, but residual isocyanate purity matters.
Function
Skin benefits
- Forms a flexible, water-resistant film
- Improves long-wear performance in makeup and sunscreen
- Helps lock in actives
Known concerns
- Contains IPDI-derived urethane segments; residual isocyanate must be controlled in manufacture
- Limited public ingredient-specific 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 — always read the physical product label and consult a healthcare professional for personal concerns.