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Surfactant

SODIUM ISOSTEARETH-11 CARBOXYLATE

76

Safety score · 0–100

Fine

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

An isostearyl ether carboxylate with 11 ethoxylation units — the branched isostearyl chain plus carboxylate group keep it gentle on skin while providing good emulsifying power for makeup-removing cleansers.

Function

CLEANSINGSURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Mild gentle cleansing
  • Good emulsification of oily soils
  • Branched chain gives smooth skin feel

Known concerns

  • Possible 1,4-dioxane traces from ethoxylation
  • Limited public toxicology specific to this grade
  • Higher cost than commodity surfactants

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.