Polish remover, also known as nail polish remover, is a chemical solvent used to remove nail polish from fingernails and toenails. ACETONE is the most common ingredient in polish remover, and it is a colorless, volatile liquid with a distinct odor. It is a powerful solvent that can dissolve many types of paint, varnish, and other substances. ACETONE is also used in the production of plastics, fibers, drugs, and other chemicals.