Used extensively in the production of soaps and detergents through saponification of fats and oils. Commonly employed in alkaline batteries as an electrolyte due to its high conductivity. Plays a key role in the manufacturing of potassium salts and in pH control for industrial processes. Utilized in food processing, such as washing or peeling fruits and vegetables, and as a stabilizer or thickener. Important in the chemical industry for neutralization reactions and as a strong base in laboratories. Also used in water treatment and in the regeneration of ion exchange resins.