Film Former
POLYESTER-29
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A film-forming polyester built on isophorone diisocyanate chemistry — gives wear and gloss in long-lasting cosmetics. Cured polymer is inert, but residual IPDI monomer is a respiratory and skin sensitizer.
Function
Skin benefits
- Binds film and pigment in cosmetic coatings
- Provides flexibility and gloss to films
- Improves wear time in long-lasting formulations
Known concerns
- Possible residual isophorone diisocyanate monomer (sensitizer/irritant)
- Polyester chemistry varies between suppliers
- Limited public toxicology data on this INCI
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.