Film Former
SODIUM ISOOCTYLENE/MA COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A maleic anhydride copolymer used as a film former and viscosity controller. Polymer itself is too large to absorb; flagged on residual monomer and environmental persistence rather than acute risk.
Function
Skin benefits
- Effective film-forming binder
- Builds viscosity in lotions and creams
- Stable across pH ranges
- Polymer too large to penetrate skin
Known concerns
- Possible residual maleic anhydride monomer
- Synthetic, non-biodegradable polymer
- Limited public toxicology data
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.