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Film Former

BIS-HEMA PPG-12/HDI COPOLYMER

50

Safety score · 0–100

Moderate

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

A HEMA-based urethane copolymer for UV-cured nail and gel systems. Cured polymer is inert; uncured HEMA is an EU-restricted contact sensitizer.

Function

NAIL CONDITIONING

Skin benefits

  • Urethane methacrylate (HEMA) copolymer film former
  • Used in UV-cured nail and adhesive systems
  • Provides flexibility and adhesion

Known concerns

  • HEMA is an EU-restricted nail-cosmetic methacrylate (max 35% in nail products)
  • Residual HEMA monomer is a contact sensitizer
  • HDI residue concern
  • Inappropriate for leave-on skin products

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.