Film Former
POLY(1,4-BUTANEDIOL)-27/BUTYLENE GLYCOL/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A polyurethane built from butanediol and isophorone diisocyanate (IPDI) — used as a long-wear film-former. Fully cured polymer is inert, but unreacted IPDI is a respiratory sensitizer, so QC really matters.
Function
Skin benefits
- Long-wear film
- Water-resistant finish
- Flexible polymer chemistry
Known concerns
- Residual IPDI is a respiratory sensitizer
- Curing quality is safety-critical
- Polymer environmental fate
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.