The ancient Egyptians worked hard to hide body odor. They put perfume in their baths and applied great quantities of it to their underarms. They tried using many odd items like incense odo orridge as deodorant. The ancient Greeks were also afraid that they might give off an odor. Like the Egyptians, they bathed constantly and wore a lot of perfume. The Romanso Thor obsession a step further. They soaked their clothes in plot of perfume. Theput it on the horses and household pets. The first trademarked deodor perfume, and alled Mum, didn't appear until 1888. In the mid-1950s, the ballpoint pen inspired the first roll-on deodoran Today deodorants are a multi-billion dollar industry and are as common as toothpaste in most homes