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Film Former

BIS-HEA 1,4-BUTANEDIOL/IPDI COPOLYMER

78

Safety score · 0–100

Fine

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

A HEA-endcapped urethane copolymer of 1,4-butanediol and isophorone diisocyanate used as a binder. Considered safe in cosmetic use as a high-MW polymer; residual monomer levels in compliant formulations are typically very low.

Function

BINDING

Skin benefits

  • Reliable binding in cosmetic formulations
  • Flexible urethane acrylate film
  • Suitable for both leave-on and wash-off products
  • High-MW polymer with limited monomer migration

Known concerns

  • Residual isophorone diisocyanate possible
  • Residual HEA 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.