Film Former
CASTOR OIL/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Castor oil polymer crosslinked with isophorone diisocyanate. Used as a film-former in colour cosmetics. Cured polymer is inert; residual monomer is a quality issue.
Function
Skin benefits
- Film-forming polymer
- Improves wear in colour cosmetics
- Stabilises emulsions
- Adds glossy finish
Known concerns
- Polymer made with isophorone diisocyanate (IPDI) — residual monomer concern if poorly purified
- Limited public toxicology on the cured polymer
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.