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Film Former

POLYISOBUTYL METHACRYLATE

CAS 9011-15-8 Updated
78

Safety score · 0–100

Fine

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

About

A methacrylate film-forming polymer used in nail and long-wear products. Inert when fully polymerized; environmental microplastic concern persists.

Function

FILM FORMING

Skin benefits

  • Durable film former
  • Improves wear and water resistance
  • Inert cured polymer

Known concerns

  • Residual monomer trace risk
  • Microplastic environmental concern
  • Possible occlusion-driven irritation

References

EU

EU CosIng database

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

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ACRYLATES/DIACETONEACRYLAMIDE COPOLYMER
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ACRYLATES/DIMETHICONE METHACRYLATE COPOLYMER
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ACRYLATES/ETHYLAMINE OXIDE METHACRYLATE COPOLYMER
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ACRYLATES/ETHYLHEXYL ACRYLATE/DIMETHICONE METHACRYLATE COPOLYMER
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ACRYLATES/ETHYLHEXYL ACRYLATE/GLYCIDYL METHACRYLATE CROSSPOLYMER-2
Film Former

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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.