We've been seeing this photo online of late labeled as an ice cube mask meant to cure hangovers circa 1947. That seemed unlikely to us, because why would ice cubes on your chin help with a hangover? The only thing that helps a hangover is a sustained interval of unconsciousness. So we dug around and discovered that this is in reality a beauty aid. It was created by Polish inventor and beautician Macksymillian Faktorowizc, who would later become globally famous as Max Factor, and it was specifically made for use by actresses to cool and refresh their faces after being under the hot lights of Hollywood movie sets. Back then (and even today for all we know) actresses constantly washed their faces with cold water, but this required fresh applications of make-up after every rinse. So Factor's mask theoretically was both a time and labor saver. Believe it or not, it wasn't the craziest contraption he invented. In any case—not a hangover cure, but another small internet mystery solved.