Stearic acid is very useful as an ingredient in the manufacture of candles , plastics , dietary supplements , oil Gummi candy and cosmetics , as well as in softening rubber . Stearic acid is also used to harden soaps , especially soaps made with vegetable oil.
Stearic with castor oil is used to produce clothes softener.
Stearic is a solid and wax compound. Stearic acid has been found in many oils, vegetable oil, and it is created by adding acid to vegetable oil and water in high pressure and temperature.