Tetrasodium Glutamate Diacetate


Chelating Agent

No known benefits

Tetrasodium Glutamate Diacetate description

Tetrasodium glutamate diacetate is a safe synthetic chelating agent with natural origins. Used in amounts up to 1% to boost the effectiveness of preservatives, allowing for the use of lower amounts than is typical without compromising effectiveness.

Tetrasodium Glutamate Diacetate references

  • Cosmetic Ingredient Review, April 2021, pages 1-15
  • Huan Jing Ke Xue, August 2020, pages 3862-3869
  • SOFW Journal, February 2014

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.