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Surfactant

SODIUM TRIDECETH-7 CARBOXYLATE

CAS 61757-59-3 / 68891-17-8
70

Safety score · 0–100

Fine

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

An ether-carboxylate surfactant from tridecyl alcohol with 7 ethylene-oxide units — mild cleansing with foam. Behaves much like the trideceth-6 grade; standard ethoxylate purification caveat applies.

Function

CLEANSINGFOAMINGSURFACTANT - CLEANSING

Skin benefits

  • Mild cleansing
  • Good foam
  • Slightly higher water solubility than -6 grade

Known concerns

  • Ethoxylated: residual 1,4-dioxane possible
  • Mild eye irritation in leave-on
  • Branched-chain biodegradability

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.