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Surfactant

LAURETH-3 CARBOXYLIC ACID

CAS 27306-90-7
65

Safety score · 0–100

Fine

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

An ether carboxylic acid surfactant — used as a milder anionic surfactant in cleansers. Generally less drying than sulfates but ethoxylation impurities matter.

Function

CLEANSINGSURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Mild anionic surfactant
  • Foam booster
  • Less drying than SLES

Known concerns

  • Eye irritation potential
  • Possible 1,4-dioxane trace impurity
  • Skin irritation at high concentrations

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Check your shelf

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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.