Film Former
BIS-ETHYLHEXYL POLY(1,4-BUTANEDIOL)-14/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polyurethane-style copolymer used as a flexible film former for long-wear makeup and skincare. Polymer itself is inert; residual isocyanate must be controlled in manufacture.
Function
Skin benefits
- Film former for long-wear cosmetics
- Improves water resistance
- Smooth, flexible film on skin
Known concerns
- IPDI-based polymers can carry trace residual diisocyanate
- Limited public consumer-exposure data
- Polymer not bioavailable but residuals matter
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related film formers
Same plant / compound family
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.