The first one.......

Body odor is the main problem for both men and women….. The concept of Deodorant solved this problem. Mum was the first commercial underarm deodorant. The original formulation for Mum deodorant was invented in 1888, by an unknown inventor from Philadelphia. Generally recognized as being the first ever commercial product to prevent odor, the inventor promptly trademarked his invention and distributed it through his nurse under the name of Mum. In the late 1940s, Helen Barnett Diserens joined the Mum production team. A suggestion by a colleague inspired Helen to develop an underarm deodorant based on the same principle as a newfangled invention called the ballpoint pen. This new type of deodorant applicator was tested in the USA in 1952, and marketed under the name of Ban Roll-On.

Bye bye odor…