Help prevent plaque buildup & reduce gingivitis in 1 week* with Listerine Clinical Solutions Gum Health Antigingivitis & Antiplaque Antiseptic Mouthwash! This refreshing icy mint-flavored oral rinse from Listerine the #1 dentist-recommended mouthwash brand immediately kills the germs that cause bleeding gums & inflammation. The ADA-accepted zinc infused mouthwash formula contains powerful & effective ingredients that help prevent hard to remove buildup on teeth reduce plaque bacteria below the gumline* & works hard to prevent gingivitis.