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Thickener

ETHYLENE/MALEIC ANHYDRIDE/PROPYLENE COPOLYMER

CAS 31069-12-2
75

Safety score · 0–100

Fine

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

A ternary copolymer of ethylene, maleic anhydride, and propylene used as a viscosity controller. Once formulated and hydrolyzed it is inert, with the carboxylic-acid form providing pH-responsive thickening.

Function

VISCOSITY CONTROLLING

Skin benefits

  • Controls viscosity of cosmetic formulations
  • Provides pH-responsive thickening
  • Compatible with anionic systems

Known concerns

  • Hydrolyzed maleic anhydride yields carboxylic groups requiring pH control
  • Limited public toxicology data for this exact INCI
  • Anhydride form can be a mild irritant before hydrolysis

References

EU

EU CosIng database

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

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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.