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Film Former

POLYURETHANE-84

CAS 1436463-63-6
75

Safety score · 0–100

Fine

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

A water-dispersible polyurethane that forms a flexible, glossy film, used mainly in nail care. EU Annex III/201 caps its use, but the cured polymer itself is inert; residual isocyanate control is the key safety lever.

Function

NAIL CONDITIONING

Skin benefits

  • Forms a flexible, glossy, water-resistant film
  • Improves nail-polish wear and chip resistance
  • Acts as a cosmetic conditioning agent

Known concerns

  • Subject to EU Annex III/201 restriction in nail products
  • Cured polymer is inert but residual isocyanate monomers must be controlled
  • Limited dermal-absorption 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.