If you're in your teens or twenties, you might not even give skincare a second thought. Basically, you wash your face, maybe put on a moisturizer, and call it day. However, it doesn't matter what your age is, because having the proper skincare knowledge (and routine) is really important! If you're clueless about taking care of your skin, then how exactly ARE you going to take care of your skin? Test your skincare knowledge with this quiz, and maybe you'll learn some interesting facts that will help up your routine and change the way you take care of yourself!