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Surfactant

SODIUM LAURETH-5 CARBOXYLATE

CAS 33939-64-9 / 38975-03-0 Updated
80

Safety score · 0–100

Good

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

About

A laureth ether carboxylate with 5 ethoxylation units — one of the most popular mild primary surfactants for sulfate-free shampoos and body washes, with a long track record of low-irritation performance.

Function

CLEANSINGFOAMINGSURFACTANT - CLEANSING

Skin benefits

  • Mild cleansing and foaming
  • Less irritating than equivalent sulfates
  • Widely used in sulfate-free formulations

Known concerns

  • Possible 1,4-dioxane traces from ethoxylation
  • Foam less dense than SLES counterparts
  • Cost premium versus commodity surfactants

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 — always read the physical product label and consult a healthcare professional for personal concerns.