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Mild anionic surfactant

COCOYL SARCOSINE

CAS 68411-97-2
75

Safety score · 0–100

Fine

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

A coconut-derived mild surfactant from sarcosine that cleanses gently with good foam, often used in sulfate-free shampoos and toothpastes. Considered a milder alternative to sulfate surfactants.

Skin benefits

  • Mild anionic surfactant from coconut fatty acids and sarcosine
  • Gentle cleansing in shampoos and toothpaste
  • Foam booster and conditioning feel
  • Lower irritation than SLS-class surfactants

Known concerns

  • Slight eye irritation potential
  • Theoretical nitrosamine formation if combined with secondary amines (manufacturer controls this)
  • May dry skin in high-percentage cleansers

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.