The mouthwash Listerine is a great lesson in public health branding. In homage to Joseph Lister, the British surgeon who pioneered antiseptic surgery by cleaning his instruments in carbolic acid, a St. Louis chemist named Joseph Lawrence invented Listerine. The alcohol-based formula was sold as a surgical antiseptic as well as a treatment for cleaning cuts, scrapes, and other wounds. It was also marketed to dentists for oral care.
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