While our armpits are definitely the sweatiest places on our bodies, that's not the only place we need protection. Have you heard of something called boob sweat? The average perspiration-stopping stick can actually reduce friction, stop perspiration, and kill bacteria from head to toe (especially toes). Keep reading to discover 10 other spots to apply deodorant before the Summer temperatures hit a peak. If you're going to slather your skin with product, we recommend using a natural formula that is aluminum free.