There are more options for dealing with your period than ever—cramp blockers, reusable period products, and even a Bluetooth tampon that tells you when to change it. But let's face it: Period stains still happen. And they suck. This video from Buzzfeed teaches three easy cleaning hacks, so you don't have to throw out yet another pair of undies. Better yet, you probably have most of the ingredients—water, salt, hydrogen peroxide, and Advil—already.