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Surfactant

AMMONIUM COCOYL ISETHIONATE

CAS 223705-57-5 Updated
75

Safety score · 0–100

Fine

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

About

A mild ammonium-isethionate cleanser — gentler cousin of sulfates. Common in syndet cleansing bars. Generally low irritation; data is somewhat thinner than for sodium cocoyl isethionate.

Function

CLEANSINGSURFACTANT - CLEANSING

Skin benefits

  • Mild surfactant — gentler than sulfates
  • Excellent foam in syndet bars
  • Low irritation profile

Known concerns

  • Mild eye irritation possible at high levels
  • Less data than the sodium analog
  • Possible mild dryness for sensitive skin

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 — always read the physical product label and consult a healthcare professional for personal concerns.