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Film Former

POLYURETHANE-17

CAS 347175-78-4
70

Safety score · 0–100

Fine

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

A water-dispersible polyurethane film former used in long-wear make-up and skincare. Cured polymer is benign; the safety lever is residual isocyanate monomer, which suppliers must keep below regulatory limits.

Function

FILM FORMING

Skin benefits

  • Forms long-wear flexible films
  • Water-dispersible polyurethane
  • Improves transfer-resistance in cosmetics

Known concerns

  • Residual isocyanate monomer must be tightly controlled
  • Possible irritation in sensitised skin
  • Inhalation caveat in aerosol use

References

EU

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.