Water Glass

Water Glass : Sodium silicate is the common name for a compound sodium metasilicate, Na2SiO3, also known as water glass or liquid glass.  Exposure to the skin will cause a chemical burn resulting in severe redness, itching and pain. If it’s inhaled it will irritate the lungs. This chemical is used as a buffering agent, and adjusts the pH of the water to make the detergent work, even in hard water. EWG: Skin Deep Score: 3