Film Former
POLYURETHANE-10
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A flexible synthetic film former used in hair-styling and nail products to give a long-lasting, water-resistant hold. The cured polymer is safe; isocyanate monomers used to make it are toxic and must be tightly controlled.
Function
Skin benefits
- Flexible long-wear film former
- Good water resistance
- Used in nail and hair styling products
Known concerns
- Residual isocyanate monomers must be controlled
- Polymer itself inert; safety hinges on manufacturing
- Less suited to broken-skin contact
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, so always read the physical product label and consult a healthcare professional for personal concerns.