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Surfactant

SODIUM ISOSTEARATE

CAS 64248-79-9 Updated
80

Safety score · 0–100

Good

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

About

Sodium soap of branched stearic acid. Mild emulsifier and surfactant used in cleansers; tolerated well, with the usual mild dryness of any soap.

Function

CLEANSINGSURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Sodium soap of isostearic acid
  • Mild surfactant and emulsifier
  • Skin-conditioning

Known concerns

  • Slightly alkaline soap — can be drying with prolonged contact
  • Possible mild eye irritation

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.