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Film Former

ISOBUTYLENE/SODIUM MALEATE COPOLYMER

CAS 55031-88-4
72

Safety score · 0–100

Fine

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

A sodium-maleate isobutylene copolymer — a film former and emulsion stabilizer. High-MW polymers are non-penetrating and generally well-tolerated.

Function

FILM FORMINGVISCOSITY CONTROLLING

Skin benefits

  • Polymeric film former
  • Stabilizes emulsions
  • Hair fixative function

Known concerns

  • High molecular weight polymer — non-penetrating
  • Limited specific cosmetic data
  • Persistence questions for synthetic polymers

References

EU

EU CosIng database

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

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ACRYLATES/CETEARETH-20 METHACRYLATE CROSSPOLYMER-2
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ACRYLATES/DIMETHICONE METHACRYLATE/ETHYLHEXYL ACRYLATE COPOLYMER
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ACRYLATES/ETHYLHEXYL ACRYLATE/STYRENE COPOLYMER
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ACRYLATES/ISOBORNYL ACRYLATE COPOLYMER
Film Former

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.