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Film Former

METHYL METHACRYLATE/ACRYLONITRILE COPOLYMER

CAS 30396-85-1
58

Safety score · 0–100

Moderate

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

A film-forming copolymer made from methyl methacrylate and acrylonitrile. The polymer itself is inert, but residual acrylonitrile monomer (IARC 2B) is a real concern.

Function

FILM FORMING

Skin benefits

  • High-MW film-forming polymer
  • Used in nail and specialty polymers

Known concerns

  • Acrylonitrile monomer is IARC Group 2B — possible human carcinogen
  • Methyl methacrylate is a known sensitizer
  • Residual monomer levels matter for safety
  • Microplastic ingredient in some uses

References

EU

EU CosIng database

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

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BIS-METHOXY PEG-10 DIMETHYL MEA/HDI/BIS-PEG-10 DIMETHICONE COPOLYMER
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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.