Listerine is a brand name for antiseptic mouthwash. Its original formula has a notoriously strong flavor, although variations have been released that are marketed as tasting milder. The product is marketed under the slogan "Kills germs that cause bad breath". Listerine is one of the most popular mouthwashes sold in the United States. It is currently manufactured and distributed by Johnson and Johnson since that company's acquisition of Pfizer's consumer healthcare division in late December of 2… (More on Listerine)