Tetrasodium Glutamate Diacetate
The water softener.
What it does
Grabs minerals in hard water so cleansers foam better and products stay fresh and stable. It's often used in place of EDTA.
Good to know
The only safety review found is from the US industry panel (CIR), which found it safe as used in cosmetics in 2025.
Often found in: Soaps, Shower gels, Shampoos, Hand creams
Around the world
- United States: No FDA limit. The FDA doesn't approve cosmetic ingredients before sale. Source
- EU and UK: No special limit in the EU or UK. Source
- Canada: Not on Health Canada's Hotlist of restricted ingredients. Source
- Australia: No limit in Australia's Poisons Standard. Source
Sources
No independent safety review found. The only review is industry-funded.
- CIR: Safety Assessment of Tetrasodium Glutamate Diacetate and Beta-Alanine Diacetic Acid as Used in Cosmetics (2025) (Industry-funded)
See how a whole product suits your skin
Clovi scans the barcode and checks every ingredient for you.
Join the waitlist