Just 30 seconds of rinsing, twice a day. That’s all it takes when you use LISTERINE Original Antiseptic Mouthwash. Sure, it’s a little intense. But what else would you expect from the original bold You’ll get 24hour protection with Clinically proven health benefits. The power to kill germs that lead to bad breath, plaque and gum disease. 21 greater gingivitis reduction than merely brushing and flossing alone. Was shown in a clinical study to reduce 52 more plaque than brushing and flossing alone.