The term 'BLEACH INGREDIENT' can be solved by two crossword solutions: CHLORINE (8 letters) and SALSODA (7 letters). CHLORINE is a chemical element that is widely used in bleaching agents due to its strong oxidizing properties. It is also used in water purification, disinfectants, and other industrial processes. Salsoda, also known as sodium carbonate, is a salt that is used in bleaching agents to increase the pH level of the solution. It is also used in detergents, glass manufacturing, and other industrial processes.