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Surfactant

TRIDECETH-18

CAS 24938-91-8 (Generic)
80

Safety score · 0–100

Good

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

A non-ionic surfactant from tridecyl alcohol with 18 ethylene oxide units — mild, effective at blending oil and water, and well tolerated. Safe at cosmetic levels with the standard PEG dioxane caveat.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Mild emulsification
  • Low irritation
  • Stable in formulation

Known concerns

  • Trace 1,4-dioxane risk
  • No notable concerns at typical %

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.