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PEG-8 RICINOLEATE

CAS 9004-97-1
68

Safety score · 0–100

Fine

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

An ethoxylated derivative of castor oil fatty acid (ricinoleic acid) with 8 ethylene oxide units, used as a solubilizing and conditioning agent in cosmetic emulsions.

PEG-8 Ricinoleate is the polyoxyethylene ester of ricinoleic acid derived from castor oil. The ethoxylation process may generate trace 1,4-dioxane, a potential impurity regulated under EU Cosmetics Regulation. No specific concentration limit exists, but SDS require residual solvent reporting above 10 ppm.

Skin benefits

  • Emollient and skin conditioning
  • Solubilizing agent for oil-based ingredients
  • Improved product texture

Known concerns

  • Potential 1,4-dioxane trace contamination from ethoxylation process
  • PEG derivatives may cause sensitivity in damaged skin barrier

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.