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Surfactant

LAURETH-11 CARBOXYLIC ACID

CAS 27306-90-7
58

Safety score · 0–100

Moderate

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

An ether-carboxylic-acid surfactant (PEG-carboxylate) — gentler than SLS, used in cleansers and shampoos. Main caveat is the PEG portion which may carry trace 1,4-dioxane impurity.

Function

CLEANSINGSURFACTANT - CLEANSING

Skin benefits

  • Mild anionic surfactant
  • Good cleansing in shampoos
  • Reduces eye irritation in rinse-off

Known concerns

  • PEG component — possible 1,4-dioxane impurity
  • Mild surfactant irritancy in leave-on

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.