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Film Former

POLYURETHANE-91

78

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

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

FILM FORMING

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

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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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.