I used to like the taste as a young child and drank a few lid fulls every morning and it never did me any harm. this an an interesting read though.
Originally Posted by wiki
]Listerine was invented in the 19th century as a powerful surgical antiseptic. It was later sold, in a very distilled form, as a floor cleaner and a cure for gonorrhea. But it wasn't a runaway success until the 1920s, when it was pitched as a solution for "chronic halitosis", the faux medical term that the Listerine advertising group created in 1921 to describe bad breath