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Film Former

TDI/TRIMELLITIC ANHYDRIDE COPOLYMER

Updated
55

Safety score · 0–100

Moderate

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

About

A film-forming copolymer used in nail and long-wear products. Cured polymer is inert, but unreacted TDI and trimellitic anhydride monomers are known sensitizers; safety hinges on purity.

Skin benefits

  • Film-forming for long-wear cosmetics
  • Adds gloss and durability
  • Cured polymer is inert

Known concerns

  • TDI and trimellitic anhydride monomers are sensitizers and respiratory irritants
  • Safety depends on residual monomer levels
  • Limited cosmetic-specific data

References

EU

EU CosIng database

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

Related film formers

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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.