Film Former
POLYURETHANE-5
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A film-forming polyurethane copolymer that creates a flexible, water-resistant barrier on skin and hair. Used in long-wear cosmetics; generally tolerated but limited public safety data anchors a yellow tier.
Function
Skin benefits
- Forms flexible water-resistant film
- Improves wear and longevity in cosmetics
- Used in long-wear formulations
Known concerns
- Polymer composition varies between suppliers
- Possible residual unreacted isocyanate monomers if poorly purified
- Mystery polymer with limited public dossier
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.