Potassium hydroxide is an inorganic compound with the formula KOH and is commonly called caustic potash. Along with sodium hydroxide, this colorless solid is a prototypical strong base. It has many industrial and niche applications. Most applications exploit its reactivity toward acids and its corrosive nature.
Form: Solid Flakes
Color: White
Chemical Formula: KOH
Uses Liquid Castile Soap Making, Soaps, Shaving Creams, etc.
Storage: Store in a cool dry place. Store in an air-tight sealed container that is properly labeled. You may use plastic or stainless steel containers. Do not use tin, zinc, or aluminum. Lye reacts with these metals so they are not safe to use.
Handling: Handle with care and use proper safety gear/equipment. 
Warning: Potassium hydroxide is very corrosive. It can cause irritation to the eyes, skin, and mucous membrane; an allergic reaction; eye and skin burns; and temporary loss of hair.  Potassium hydroxide is an inorganic compound that is denoted by the chemical formula KOH. Potassium hydroxide is also known as caustic potash, lye, and potash lye.