Film Former
ALLYL METHACRYLATES CROSSPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A crosslinked acrylate polymer used as a film former, thickener and emulsion stabilizer. Too large to cross skin; CIR-reviewed as safe when not polymerized in benzene.
Allyl methacrylates crosspolymer (CAS 182212-41-5) is a high-molecular-weight copolymer of allyl methacrylate cross-linked with glycol dimethacrylate. It functions as an absorbent, film former, emulsion stabilizer, viscosity modifier and suspending agent in cosmetics. The 2017 CIR Expert Panel assessment of 23 crosslinked alkyl acrylates concluded they are safe in the present practices of use and concentration, except when polymerized in benzene. Its high molecular weight means negligible dermal absorption. Used primarily in mascara, foundation and hair stylers.
Function
Skin benefits
- Stable film former
- Smooth skin feel
- Not absorbed through skin
- Used in color cosmetics
Known concerns
- Residual monomers require purification
- Possible unless polymerized in benzene (CIR caveat)
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 — always read the physical product label and consult a healthcare professional for personal concerns.