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Surfactant

POTASSIUM CAPRATE

CAS 13040-18-1 Updated
75

Safety score · 0–100

Fine

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

About

A potassium soap of capric (C10) acid — used as a mild cleansing surfactant in soap-based formulas. Generally tolerated; can dry or mildly irritate skin at higher concentrations.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Medium-chain fatty-acid soap
  • Good biodegradability
  • Mild surfactant in cleansers

Known concerns

  • Mild skin irritation at high inclusion
  • Possible eye irritation in rinse-off
  • Alkalinity may dry skin

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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Surfactant

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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.