Film Former
STEARYL/LAURYL METHACRYLATE CROSSPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A long-chain methacrylate crosspolymer used to thicken oils and add a cushion feel. Cured polymer is inert; residual methacrylate and microplastic regulation are the only meaningful flags.
Function
Skin benefits
- Thickens oil-rich systems
- Adds smooth, cushion skin feel
- Cured polymer is inert
- Common in long-wear cosmetics
Known concerns
- Residual methacrylate monomer is a sensitizer
- Microplastic-class polymer pressure
- Not biodegradable
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.