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Surfactant

SODIUM LAURETH-3 CARBOXYLATE

CAS 33939-64-9
72

Safety score · 0–100

Fine

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

A laureth ether carboxylate with 3 ethoxylation units — a gentler cleansing alternative to laureth sulfates. Cleans effectively while typically showing lower skin and eye irritation in standard cosmetic concentrations.

Function

CLEANSINGSURFACTANT - EMULSIFYINGFOAMINGSURFACTANT - CLEANSING

Skin benefits

  • Milder cleansing than sulfate alternatives
  • Good foaming with low skin irritation
  • Compatible with sensitive-skin formulations

Known concerns

  • Possible 1,4-dioxane traces from ethoxylation step
  • Mild eye irritation in concentrated form
  • Lower foam density than SLES 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.