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Surfactant

SODIUM OLETH SULFATE

CAS 27233-34-7 Updated
58

Safety score · 0–100

Moderate

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

About

An ethoxylated sulfate cleanser made from oleyl alcohol. Good foaming and degreasing but can be irritating, and process residuals require careful purification.

Function

CLEANSINGSURFACTANT - EMULSIFYINGFOAMINGSURFACTANT - CLEANSING

Skin benefits

  • High-foaming anionic surfactant
  • Cleans oily hair and scalp
  • Cost-effective in shampoo bases

Known concerns

  • Skin and eye irritation potential
  • Possible 1,4-dioxane and ethylene oxide residuals
  • Drying with frequent use
  • Less mild than glucosides

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.