Tetrasodium EDTA

Tetrasodium EDTA or Ethylenediaminetetraacetic acid: is a chelating agent used to prevent minerals and metals present in water-based formulation from bonding to other ingredients and impacting their efficiency. It is also considered to be an efficient water softener

Used in: medicine to prevent blood samples from clotting. It is also used to keep bacteria from forming a biofilm (thin layer stuck to a surface), in cosmetics such as facial moisturizer/treatment, concealer, hair color and bleaching.