Sodium Myristoyl Sarcosinate


Cleansing Agent

No known benefits

Sodium Myristoyl Sarcosinate at a glance

  • Sodium salt of myristoyl sarcosine
  • Functions as a hair conditioning agent, emollient, and cleansing agent
  • Helps create a fine, stable foam for an elevated cleansing experience Ruled safe as currently used in cosmetics

Sodium Myristoyl Sarcosinate description

Sodium myristoyl sarcosinate is the sodium salt of myristoyl sarcosine. In cosmetics, it functions mainly as a hair conditioning ingredient, emollient, and cleansing agent. Most chemists consider this ingredient a co-surfactant since it works with the primary surfactants to help create an elegant foam and provide stabilization to said foam. The independent Cosmetic Ingredient Review has found sodium myristoyl sarconsinate safe as it is currently used in cosmetics. The highest reported leave-on concentration of sodium myristoyl sarcosinate is 5% in eyeshadow formulations.

Sodium Myristoyl Sarcosinate references

  •, Accessed January 2023, ePublication
  • The Journal of Chemical Thermodynamics, November 2021, ePublication
  • International Journal of Toxicology, July 2021, ePublication
  • International Journal of Toxicology, July 2021, pages 117S–133S

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not rated

We have not yet rated this ingredient because we have not had a chance to review the research on it.