Film Former
ISOPHORONEDIAMINE/ISOPHTHALIC ACID/PENTAERYTHRITOL COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A polyester-amide film former used in long-wear nail and color cosmetics. Cured film is inert; uncured isophoronediamine monomer is a known sensitizer, so purity matters.
Function
Skin benefits
- Forms a tough, glossy film for nail and color cosmetics
- Improves chip and wear resistance
- Stable to humidity and light
Known concerns
- Isophoronediamine monomer is a sensitizer
- Cured polymer is inert but residuals matter
- Sparse cosmetic-grade purity dossiers
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 — always read the physical product label and consult a healthcare professional for personal concerns.