Kills germs that cause bad breath, plaque & the gum disease Gingivitis. ADA Accepted (American Dental Association). This package for households without young children. Proven to kills germs by millions on contact. Use Tartar Control Listerine Antiseptic twice daily to help: Prevent & fight tartar build-up; Prevent & reduce plaque; Prevent & reduce gingivitis; Fight bad breath; Kill germs between teeth. Tartar Control Listerine Antiseptic has been shown to help prevent and reduce supragingival plaque accumulation and gingivitis when used in a conscientiously applied program of oral hygiene and regular professional care. It has also been shown to help reduce the formation of tartar above the gumline. Its effect on peritonitis has not been determined. (Council on Scientific Affairs, American Dental Association.)