Film Former
BIS-BENZYL BUTYLENE GLYCOL/DILINOLEIC ACID/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-style copolymer used as a long-wear film former in colour cosmetics. Considered safe once cured, but built from IPDI — residual monomer would be a respiratory sensitiser.
Function
Skin benefits
- Forms a long-wear, water-resistant film
- Improves makeup transfer-resistance
- Smooth, flexible feel on skin
Known concerns
- Polyurethane built from isophorone diisocyanate (IPDI) — residual diisocyanate is a respiratory sensitiser
- Limited public toxicology on the finished copolymer
- Not biodegradable
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.