Only 30 seconds of rinsing, twice a day. It's true, it's a bit intense, but no other mouthwash can compete with its impressive anti-germs. That's all you need if you use the LISTERINE Original antiseptic mouth rinse. You will get a 24-hour protection thanks to the following: Clinically proven health benefits • The power to eliminate the bacteria that cause bad breath, plaque and gum disease • 21% more reduction in gingivitis compared to brushing and flossing alone • A clinical study has shown that it reduces 52% more plaque than brushing and flossing alone