polymer
POLYURETHANE-27
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Polyurethane-27 is a film-forming polymer used in long-wear cosmetics. High molecular weight limits absorption but microplastic-class concerns keep it in yellow.
Function
Skin benefits
- Polyurethane-27 used widely as a film former in long-wear makeup
- High molecular weight prevents skin penetration
- Provides water and transfer resistance
- Generally well tolerated on intact skin
Known concerns
- Possible trace residual isocyanate from manufacture
- Microplastic-class environmental concern in rinse-off
- No standalone CIR final report located
- Limited independent ecotox data
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related polymers
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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.