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Surfactant

CAPRYLETH-4 CARBOXYLIC ACID

CAS 53563-70-5
68

Safety score · 0–100

Fine

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

A mild surfactant from the ether-carboxylic-acid family. Cleans gently and can replace harsher sulfates; concern is potential trace 1,4-dioxane from the ethoxylation step.

Function

CLEANSINGSURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Mild ether-carboxylate surfactant
  • Foam booster in cleansers
  • Less harsh than sulfates

Known concerns

  • Ethoxylated — possible 1,4-dioxane traces
  • Can be mild eye irritant

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.