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Film Former

BUTYL ACRYLATE/ISOBORNYL METHACRYLATE COPOLYMER

CAS 91000-02-1
72

Safety score · 0–100

Fine

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

A nail and skin coating film former built from butyl acrylate (flexibility) and isobornyl methacrylate (hardness). The polymer is well tolerated; sensitization risk lives in trace unreacted monomers, not the film itself.

Function

FILM FORMING

Skin benefits

  • Hard yet flexible films for nail and skin coatings
  • Strong gloss and chip resistance
  • Stable, durable long-wear performance
  • Polymer form limits skin penetration

Known concerns

  • Residual butyl acrylate is a known skin sensitizer
  • Isobornyl methacrylate residuals can also sensitize
  • Microplastic environmental persistence
  • Higher concern in nail-product overspray scenarios

References

EU

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, so always read the physical product label and consult a healthcare professional for personal concerns.