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Surfactant

PEG-100 CASTOR OIL

CAS 61791-12-6
65

Safety score · 0–100

Fine

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

A heavily ethoxylated castor oil (100 mol EO) used as a hydrophilic surfactant, emulsifier, and fragrance solubilizer. Generally low irritation, but trace 1,4-dioxane impurities are a concern unless purified.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Effective solubilizer for fragrance oils
  • Mild nonionic surfactant
  • Stable across pH range

Known concerns

  • Possible trace 1,4-dioxane from ethoxylation
  • Not for damaged skin without purification
  • Environmental persistence of PEG

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.