Listerine
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![Glass bottle with paper label. The screw top indicates that the bottle was manufactured post-1920s.](/Images/godic/202501/24/Old_Listerine_bottle0840.jpg")
Listerine is a brand of antiseptic mouthwash product. It is promoted with the slogan "Kills germs that cause bad breath". Named after Joseph Lister, 1st Baron Lister, a pioneer of antiseptic surgery, Listerine was actually developed in 1879 by Joseph Lawrence, a chemist in St. Louis, Missouri.