Film Former
POLYURETHANE-19
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A film-forming polyurethane polymer used in hair styling for flexible hold. EU-restricted under Annex III; the cured polymer is inert but residual isocyanate monomer requires manufacturing control.
Function
Skin benefits
- Flexible film for hair styling hold
- Polymer-based — non-bioavailable
- Improved water resistance
Known concerns
- Made from butanediisocyanate — residual monomer needs control
- EU Annex III restricts polyurethanes in cosmetics
- Polymer-grade purity matters
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.