Film Former
POLYURETHANE-91
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A synthetic polyurethane film-forming polymer that creates a flexible, breathable layer on skin or nails. Generally well-tolerated; main concern is residual urethane monomers from manufacturing.
Function
Skin benefits
- Forms a flexible film on skin or nails
- Improves wear time of cosmetics
- Low irritation profile at typical use levels
Known concerns
- Possible isocyanate or urethane monomer residuals
- Limited published cosmetic-specific safety data
- Polymer impurity profile depends on manufacturer
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.