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Surfactant

PEG-5 CASTOR OIL

CAS 61791-12-6 Updated
58

Safety score · 0–100

Moderate

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

About

Ethoxylated castor oil with low PEG count, used to dissolve oils into water. Functional but the low ethoxylation makes it more irritating than PEG-40 castor oil; purity matters.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Solubilizer for fragrances and oils
  • Mild non-ionic surfactant
  • Forms stable emulsions

Known concerns

  • Ethoxylated — 1,4-dioxane / ethylene-oxide trace risk
  • Lower-PEG castor oils more irritating than PEG-40
  • Sensitization in rare users
  • Defatting at higher concentrations

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.