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Film Former

BIS-HEMA POLY(CAPROLACTONE NEOPENTYL GLYCOL)/IPDI COPOLYMER

58

Safety score · 0–100

Moderate

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

A UV-cured nail polymer based on HEMA and isophorone diisocyanate. Cured film is inert; uncured HEMA is one of the top causes of new contact-allergy cases in nail clients.

Function

BINDING

Skin benefits

  • Cures into a tough flexible film for gel nail polish
  • Provides chip-resistant wear
  • Cured film is essentially inert

Known concerns

  • Uncured monomer (HEMA) is a known sensitiser — can cause allergic contact dermatitis
  • Diisocyanate (IPDI) residues if poorly polymerised
  • Industrial origin; not for skin contact in liquid form
  • Reported uptick in nail-tech HEMA allergy

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

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BIS-HEMA POLY(CAPROLACTONE/PENTAERYTHRITOL)/IPDI COPOLYMER SUCCINATE
Thickener

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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.