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Surfactant

PEG-33 CASTOR OIL

CAS 61791-12-6 Updated
68

Safety score · 0–100

Fine

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

About

A moderately ethoxylated castor oil (33 EO) used as a surfactant and emulsifier in cleansers. Performs like its PEG-30/PEG-36 siblings — class-safe with the usual ethoxylate dioxane caveat.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Reliable nonionic emulsifier
  • Mild in rinse-off cleansers
  • Solubilizes essential oils and fragrance

Known concerns

  • Trace 1,4-dioxane impurity
  • PEG environmental persistence
  • No active skin benefit

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 — always read the physical product label and consult a healthcare professional for personal concerns.