Soft soaps are made with _________.

Soap is a sodium salt or potassium salt of long-chain fatty acids. The soaps made with sodium are hard. Soft soaps are made with potassium rather than sodium as potassium is a softer metal than sodium. The sodium salt of long-chain fatty acids is known as hard soap. The potassium salt of long-chain fatty acid is known as soft soap. Soft soap or potassium soap is used in shaving creams, shampoos, bathing soaps etc. Hard soap or sodium soaps are used in toilet soaps.