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Film Former

BIS-HPMA POLY(METHYLPENTANEDIOL ADIPATE)/IPDI COPOLYMER

CAS 2639209-78-0
78

Safety score · 0–100

Fine

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

A urethane film-forming copolymer used in long-wear makeup and nail products to build flexible, water-resistant films. Very limited stand-alone data; class is generally low-risk on intact skin.

Function

FILM FORMING

Skin benefits

  • Flexible, durable wear
  • Water and transfer resistance
  • Smooth pigment dispersion

Known concerns

  • Trace residual isocyanate monomer concerns
  • Limited public safety data
  • Microplastic-class polymer

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.