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Surfactant

C9-11 ALKETH-8 CARBOXYLIC ACID

58

Safety score · 0–100

Moderate

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

An ether-carboxylate surfactant — milder than sulfates but with the PEG ethoxylate dioxane caveat. Functional cleanser ingredient at low %.

Function

SURFACTANT - CLEANSING

Skin benefits

  • Mild anionic surfactant
  • Cleansing
  • pH stable

Known concerns

  • 1,4-dioxane impurity caveat
  • Penetration enhancement
  • Mild irritation in concentrate

References

EU

EU CosIng database

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

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C12-13 ALKETH-5 CARBOXYLIC ACID
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Same plant / compound family

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C9-11 ALKETH-8
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C9-11 ALKETH-8 (FORMERLY C9-11 PARETH-8)
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C9-11 ALKETH-8 CARBOXYLIC ACID (FORMERLY C9-11 PARETH-8 CARBOXYLIC ACID)
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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.