Film Former
POLYESTER-44/PDI CROSSPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A castor-oil and PDI-isocyanate crosslinked polyester used as a film former in long-wear cosmetics. The cured polymer is inert; safety hinges on tight residual-isocyanate spec control.
Function
Skin benefits
- Smooth, even film on skin
- Long-wear color cosmetics performance
- Water resistance
- Non-comedogenic substrate
Known concerns
- PDI = isocyanate chemistry — residual monomer must be tightly spec-controlled
- Limited public toxicology on this specific copolymer
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.