Tetrasodium Glutamate Diacetate

Tetrasodium glutamate diacetate is a biodegradable, water-soluble chelating agent derived from L-glutamic acid. It's added to sequester trace metals, which supports preservative efficacy and keeps formula color and stability intact.
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Ingredient Snapshot

Overview
A biodegradable ingredient that traps metals to keep formulas fresh.
Category
Preservative
Type
Chelating Agent

Ingredient Ratings

Overall Rating

Great

Comedogenic Risk

None

Skin Benefits

Improves product freshness by deactivating metal contaminants, helping prevent discoloration and off-odors; it is readily biodegradable.

Uses In Skincare & Cosmetics

Featured in gels, toners, and sunscreens, especially formulations favoring a biodegradable chelator.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Considered low-irritation and well tolerated at typical use levels, including for sensitive skin. No notable regulatory restrictions are commonly cited for cosmetic use.

Is Tetrasodium Glutamate Diacetate a Good Ingredient?

It earns a Great rating for effective metal chelation, good formulation stability, and a favorable safety profile with low irritation. It's also readily biodegradable, making it a strong modern alternative to older chelators, and broad industry use backs up both its function and tolerability without notable sensitization signals.

Products with Tetrasodium Glutamate Diacetate

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