Acetone is a colorless, volatile liquid that is commonly used as a solvent in various industries. It is the simplest ketone and has a distinctive sweet odor. Acetone is often found in nail polish removers and is used in the production of plastics, fibers, and pharmaceuticals. In addition to its industrial uses, acetone is also a natural byproduct of metabolism in the human body. It is produced during the breakdown of fatty acids and can be found in small amounts in the blood and urine. Acetone is generally considered safe in low concentrations but can be harmful in high doses.