Film Former
FUMARIC ACID/PHTHALIC ANHYDRIDE/TRICYCLODECANEDIMETHANOL COPOLYMER
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A binder copolymer used in nail and hair products. The phthalic anhydride monomer is a documented sensitizer and respiratory irritant — the polymer locks most of it away, but it lands in caution territory.
Function
Skin benefits
- Strong film-forming and binding
- Used in nail polish and hair styling
- Provides durable wear
Known concerns
- Phthalic anhydride is a known sensitizer and respiratory irritant
- Residual monomers can leach over time
- Environmental persistence concerns
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.