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Film Former

POLYURETHANE-4

55

Safety score · 0–100

Moderate

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

A film-forming copolymer made with PPG glycols and isophorone diisocyanate. Good wear and flexibility on skin, but residual diisocyanate monomers and persistence raise caution flags.

Function

FILM FORMING

Skin benefits

  • Long-lasting flexible film
  • Water resistance
  • Smooth finish on skin

Known concerns

  • Residual isocyanate monomer risk
  • Inhalation hazard in sprays
  • Environmental persistence
  • Sparse safety data

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.