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Surfactant

MYRETH-5 CARBOXYLIC ACID

CAS 38720-61-5 / 120001-52-7
76

Safety score · 0–100

Fine

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

A myristyl-derived ether carboxylic acid with 5 ethylene oxide units — a mild anionic cleanser sitting between laureth and ceteth carboxylates in performance. Standard dioxane purity caveat applies.

Function

CLEANSINGSURFACTANT - CLEANSING

Skin benefits

  • Mild C14-based ether carboxylate surfactant
  • Good cleansing with lower irritation than sulfates
  • Performs well in syndet bars and liquid cleansers

Known concerns

  • Possible trace 1,4-dioxane from ethoxylation
  • Mid-EO chain — slightly less mild than higher-EO 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.