What do hand sanitizer, dryer sheets and baby powder all have in common? Aside from their conventional uses, they moonlight as quick fixes to many of your beauty-related issues. We pored over hundreds of so-called "life-changing" beauty tips and makeup tricks to find the most bizarre ones -- and then, of course, we had to test them to see which ones actually worked. Here, find the 10 beauty hacks that made the cut. (You can thank us later.)