LISTERINE® Cool Mint Mouthwash for a cleaner fresher mouth than brushing alone. Proven to be 5x more effective than floss at reducing plaque*. The formula removes up to 99% of bad breath and plaque causing germs left after brushing. Just 30 seconds of rinsing, twice a day. Use alongside brushing and flossing. * Germ kill provides sustained plaque reduction above the gumline after a dental cleaning.