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Surfactant

TRIDECETH-3 CARBOXYLIC ACID

CAS 24938-91-8
70

Safety score · 0–100

Fine

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

A C13 branched-alcohol ether carboxylic acid with only 3 EO units — the least mild of the trideceth-CA family. Functional surfactant; the short EO chain trims its mildness margin vs longer-EO homologs.

Function

CLEANSINGFOAMINGSURFACTANT - CLEANSING

Skin benefits

  • Branched C13 ether carboxylate
  • Useful in foaming personal care
  • Effective at low concentrations

Known concerns

  • Very short 3-EO chain — least mild of the trideceth-CA family
  • Possible trace 1,4-dioxane from ethoxylation
  • Branched C13 less biodegradable than linear analogs

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.