Listerine mouthwash gives you all the healthy mouth benefits. Adding a 30-second rinse with Listerine Antiseptic mouthwash to your morning and night time routines is all it takes to get 24 hour protection against germs that cause plaque and gingivitis. Listerine is a brand of antiseptic mouthwash. Its original formula has a notoriously strong flavour, although variations have been released that are marketed as tasting milder. The product is marketed under the slogan "Kills germs that cause bad breath". It was named after Joseph Lister who promoted the idea of sterile surgery by sterilizing instruments. Originally marketed by the Lambert Pharmacal Company, it is currently manufactured and distributed by Johnson and Johnson. Disclaimer: Please note the product colour may differ from the colour shown in the photo.