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Film Former

BIS-HYDROXYETHYL ACRYLATE POLY(1,4-BUTANEDIOL)-9/IPDI COPOLYMER

78

Safety score · 0–100

Fine

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

A polyurethane film-former built from poly(1,4-butanediol)-9 and isophorone diisocyanate with HEA end-caps. Commonly used in long-wear skin and nail products; safe as cured polymer with standard residual monomer caveats.

Function

FILM FORMING

Skin benefits

  • Forms flexible, durable barrier films on skin and nails
  • Long-wear cosmetic film performance
  • Compatible with both water- and solvent-based systems
  • High-MW polymer with limited monomer migration

Known concerns

  • Residual isophorone diisocyanate possible
  • Residual hydroxyethyl acrylate possible (skin sensitizer)
  • Microplastic environmental persistence
  • Strict EU residual monomer compliance required

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.