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Film Former

BIS-ISOSTEAROYL CASTOR OIL/DIMER DILINOLEATE COPOLYMER

80

Safety score · 0–100

Good

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

A conditioning copolymer of castor oil and dimer dilinoleate fatty acids that forms a flexible, comfortable film. Soft, water-resistant feel; ideal for lip and long-wear formulations.

Function

SKIN CONDITIONINGSKIN PROTECTING

Skin benefits

  • Conditioning, film-forming feel
  • Long-wear comfort in lip and colour
  • Sustained moisture seal without occlusive heaviness

Known concerns

  • High molecular weight may build up in repeat use
  • Limited public toxicology dossier
  • Potential acne triggers in oil-prone skin

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.