You know when your scrolling through Pinterest and you see an idea that makes you smack your hand to your head and say, “Why didn’t I think of this sooner?!” Well, we rounded up 11 beauty hacks that made us do that exact same think. Seriously, we’re not sure how we survived so long without knowing these tricks. Click through the slideshow to see what we are talking about. These easy tips might just change your life. Just try not to smack your head too many times.