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Film Former

BIS-HEMA POLYNEOPENTYL GLYCOL ADIPATE/IPDI COPOLYMER

CAS 82339-16-0
58

Safety score · 0–100

Moderate

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

A film-forming nail polymer derived from HEMA. Cured film is generally inert, but residual HEMA monomer is a notorious sensitizer and EU restricts it in non-professional gel polishes.

Function

BINDING

Skin benefits

  • Tough, flexible nail film
  • High gloss
  • Long wear

Known concerns

  • HEMA monomer sensitizer concerns
  • Residual monomer in poorly cured products
  • EU consumer-product restrictions
  • Limited polymer-specific toxicology

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.