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Film Former

BIS-HPMA POLY(1,4-BUTANEDIOL)-9/TMHDI COPOLYMER

Updated
65

Safety score · 0–100

Fine

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

About

A polyurethane-style film former built from HPMA, polybutanediol-9 and TMHDI for flexible long-wear films. Safe when fully cured; residual diisocyanate monomer is the safety driver.

Skin benefits

  • Polyurethane-style film former built on TMHDI for flexibility
  • Long-wear performance in cosmetics
  • Stays surface-only at high MW

Known concerns

  • TMHDI is a diisocyanate; residual monomer in the polymer must be controlled
  • Limited public toxicology on this exact copolymer
  • Possible sensitisation if monomer is free

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.