Cosmetic ingredient dictionary
Tetrasodium Glutamate Diacetate in cosmetics: what it is and what it does
Tetrasodium Glutamate Diacetate is a cosmetic ingredient that binds metals in water so the product stays stable. Open Beauty Facts finds it in 578 products, most often soaps.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Tetrasodium Glutamate Diacetate do in a product?
In a cosmetic product, Tetrasodium Glutamate Diacetate binds metals in water so the product stays stable. The EU’s CosIng database lists this job for it: chelating.
What other names and numbers does Tetrasodium Glutamate Diacetate have?
- CAS number
- 51981-21-6
- EC number
- 257-573-7
- CosIng reference
- 84400
Which products contain Tetrasodium Glutamate Diacetate?
Open Beauty Facts finds Tetrasodium Glutamate Diacetate in the ingredient lists of 578 of the 22,021 products it has a list for, most often soaps, bath and shower and shampoos.
Products with it, by country of sale: France 174 · Germany 86 · United States 60 · Spain 52.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Tetrasodium Glutamate Diacetate turns up, not how much of the market it is.
Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors
Sources
The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.
- European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
- Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL
Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check
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