Listerine mouthwash has been a staple on bathroom shelves for decades, but most people still use it for one thing and one thing only – freshening their breath. Which is a shame, because this blue antiseptic potion is a treasure trove of hidden superpowers. Half-joking, half-seriously: If Listerine were a person, it would be that all-purpose friend who knows how to do everything – from clearing fungus to disinfecting razors – and still smells like menthol.
