An article from 1888 recommends Listerine "for sweaty feet, and soft corns, developing between the toes."
Over the course of the next century, it was marketed as a refreshing additive to cigarettes, a cure for the common cold, and as a dandruff treatment.
But it was in the 1920s that the powerful, germ-killing liquid finally landed on its most lucrative use as a magical cure for bad breath.
