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Film Former

BIS-HEMA PPG-7/SMDI COPOLYMER

Updated
60

Safety score · 0–100

Fine

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

About

A urethane film-forming polymer used for long-wear and waterproof cosmetics. Cured polymer is inert; concern is residual HEMA monomer or isocyanate if poorly purified.

Function

BINDING

Skin benefits

  • Forms flexible film for long-wear cosmetics
  • Good water resistance
  • Improves wear in mascara and eye makeup

Known concerns

  • Possible residual isocyanate (SMDI = saturated MDI) if poorly cured
  • HEMA monomer is a known sensitizer if free
  • Limited published cosmetic-specific safety data

References

EU

EU CosIng database

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

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Check your shelf

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.