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Surfactant

POTASSIUM CASTORATE

CAS 8013-05-6 Updated
72

Safety score · 0–100

Fine

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

About

Potassium castorate — potassium soap of castor-oil fatty acids used as a mild surfactant in soft soaps. Generally fine but alkaline pH can dry sensitive skin.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Soap-base surfactant
  • Mild cleansing in bar soaps
  • Derived from castor oil

Known concerns

  • Alkaline pH may dry skin
  • Possible irritation on sensitive skin
  • May leave soap residue

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.