Film Former
TDI/TRIMELLITIC ANHYDRIDE COPOLYMER
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
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 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, so always read the physical product label and consult a healthcare professional for personal concerns.