Listerine is an American brand of antiseptic mouthwash that is promoted with the slogan "Kills germs that cause bad breath." It was developed in 1879 by Joseph Lawrence, a chemist in St. Louis, Missouri, and named after Joseph Lister, who pioneered antiseptic surgery. Listerine is known for its germ- killing power, and it has been used by more than 1 billion people worldwide. The brand offers a variety of mouthwash products, including antiseptic mouthwash for gum disease and oral care solutions for different needs