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Film Former

METHYLBUTENE/METHYLSTYRENE/PIPERYLENE COPOLYMER

CAS 62258-49-5 Updated
58

Safety score · 0–100

Moderate

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

About

A hydrocarbon resin used as a tackifier or film former. The cured polymer is inert, but residual styrene-class monomers are an IARC 2B carcinogen — purity matters.

Skin benefits

  • Provides film and tack in cosmetics
  • Useful in long-wear formulas
  • Cured polymer inert on skin

Known concerns

  • Residual styrene monomer is a 2B carcinogen
  • Petrochemical hydrocarbon resin
  • Limited cosmetic safety dossier

References

EU

EU CosIng database

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

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BIS-HYDROXYETHYL ACRYLATE POLY(1,4-BUTANEDIOL)-9/TMHDI COPOLYMER
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BIS-METHOXY PEG-10 DIMETHYL MEA/HDI/BIS-PEG-10 DIMETHICONE COPOLYMER
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BIS-PENTAERYTHRITOL TRIACRYLATE/SMDI COPOLYMER
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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 — always read the physical product label and consult a healthcare professional for personal concerns.