Clinically proven to prevent and reduce plaque, gingivitis and bad breath. Kills germs. Listerine Antiseptic is the mouthwash dentists recommend most for healthy gums. Now, this proven Listerine technology, combined with fluoride for cavity protection, can be found in Listerine Essential Care Toothpaste. Kills germs that cause plaque, gingivitis and bad breath. Helps prevent and reduce gingivitis; Removes stains; Fights plaque; Helps prevent cavities; Freshens breath.