Listerine mouthwash citrus brushing your teeth can leave your mouth feeling clean but it doesnt get rid of all the bad bacteria in your mouth bacteria are present throughout the mouth on the tongue the gums and the roof of the mouth listerine has the power to reach the whole mouth and cleans deeper into those hard to reach places one rinse of listerine kills more plaque bacteria than any other daily use mouthwash listerine has a unique formula of essential oils which have been clini