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Surfactant

SODIUM TRIDECETH SULFATE

CAS 25446-78-0 Updated
55

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 similar to SLES. Foams well and is mildly less drying than SLS, but the 1,4-dioxane purification caveat means it depends on supplier purity.

Function

CLEANSINGSURFACTANT - EMULSIFYINGFOAMINGSURFACTANT - CLEANSING

Skin benefits

  • Good foaming surfactant for shampoos and body washes
  • Slightly milder than SLS
  • Affordable, widely available

Known concerns

  • Ethoxylated sulfate — trace 1,4-dioxane risk if not vacuum-stripped
  • Defatting/drying with frequent use
  • Eye-irritation potential
  • Branched alcohol feedstock

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.