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Surfactant

MYRISTOYL SARCOSINE

CAS 52558-73-3 Updated
78

Safety score · 0–100

Fine

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

About

A mild amino-acid surfactant from myristic acid and sarcosine. Common in cleansers and toothpaste. Well tolerated; the only flag is nitrosamine risk if paired with the wrong preservatives.

Skin benefits

  • Mild anionic surfactant
  • Skin and hair conditioning
  • Low irritation in rinse-off

Known concerns

  • Potential nitrosamine formation with nitrosating co-ingredients
  • Mild eye sting at high levels

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.