Tetrasodium glutamate diacetate (46% in water) is a biodegradable chelating agent that enhances antibacterial efficacy. Tetrasodium glutamate diacetate (46% in water) improves the antibacterial performance of multifunctional additives in cosmetic formulations. Tetrasodium glutamate diacetate (46% in water) acts as a chelating agent in cosmetic formulations[1][2].