Your skin does more than make you look good. It acts as your body's first line of defense against the outside world. Understanding how your skin works is the key to keeping it healthy, strong, and radiant. This guide will help you learn what your skin needs and how to care for it effectively. Why Your Skin Is More Than Just a Surface Many people think of skin as just a covering, but it plays a vital role in protecting your body. It shields you from harmful bacteria, viruses,