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Emulsifier

TRIDECETH-9

CAS 24938-91-8 / 69011-36-5
76

Safety score · 0–100

Fine

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

A non-ionic emulsifier with higher ethoxylation than Trideceth-6 — solubilizes oils and fragrances in water-based formulas. Standard PEG-class precaution on residual 1,4-dioxane.

Skin benefits

  • Non-ionic emulsifier
  • Solubilizes oils and fragrances
  • Cosmetic workhorse
  • Low irritation

Known concerns

  • Ethoxylated — 1,4-dioxane purification required
  • PEG-class precaution

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.