Potassium Hydroxide, KOH, and Potash
Potassium hydroxide known as KOH or caustic potash is a common ingredient used when making soap. Sydney Solvents potassium hydroxide is a light-weight white flake that expands when in contact with heat. The saponification process that occurs when using potassium hydroxide to make soap changes the fats composition in order to achieve a liquid based substance. Customers prefer using potassium hydroxide when wanting to make liquid soap. Of course it always depends on the formula and what you are trying to achieve when it comes to choosing between potassium hydroxide and caustic soda.