Developed in Philadelphia in 1888 by an inventor whose identity has never been confirmed, the world's first commercial deodorant was a zinc oxide-based waxy cream sold in a metal tin and applied with the fingertips. According to the manufacturer, the product took its name from a nurse who worked for the inventor and went by a particular nickname. Bought by Bristol-Myers in 1931, it later inspired the first roll-on deodorant in 1952, which was subsequently marketed under the name Ban. What was this pioneering product called?