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Surfactant

DISODIUM 2-SULFOSTEARATE

CAS 5802-91-5
76

Safety score · 0–100

Fine

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

An anionic sulfonate surfactant derived from stearic acid (CAS 5802-91-5), used as a mild cleansing agent in rinse-off products. Offers reasonable skin compatibility, though it sits a notch below amino-acid surfactants on gentleness.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Mild cleansing
  • Foaming
  • Biodegradable

Known concerns

  • Mild eye irritation
  • Slight defatting at high 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, so always read the physical product label and consult a healthcare professional for personal concerns.