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Film Former

STEARYL/LAURYL METHACRYLATE CROSSPOLYMER

70

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

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 CONDITIONING

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

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Check your shelf

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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.