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Surfactant

TRIDECETH-21

CAS 24938-91-8 (Generic)
60

Safety score · 0–100

Fine

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

A polyethoxylated tridecyl alcohol used to solubilize oils and as a mild non-ionic surfactant. Generally well tolerated; trace 1,4-dioxane is the main concern unless the supplier purifies.

Function

CLEANSINGSURFACTANT - CLEANSING

Skin benefits

  • Non-ionic solubilizer
  • Mild on skin compared to anionic surfactants
  • Stabilizes emulsions

Known concerns

  • Possible trace 1,4-dioxane impurity
  • Eye irritation if undiluted
  • Ethoxylate scrutiny

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.