For all the guys out there, how many times have you gotten deodorant residue all over the inner armpits of your shirt? Once is more than enough, and it can be extremely hard to clean. Sure, you can get your shirt professionally cleaned, or you can try this simple hack.
The next time you have pit stains, just go over the residue with a bit of makeup remover. For some reason, makeup remover also works as pit stain remover. Just make sure to wash your clothes thoroughly, or else you will have to find another hack to get rid of makeup remover residue from your shirt.