Introduction Healthy skin isn’t just about looking good—it’s a sign of overall wellness. One of the most important yet overlooked aspects of skincare is skin barrier health. Your skin barrier protects you from pollution, bacteria, dehydration, and irritation. When it’s damaged, skin problems quickly appear. Understanding how to protect and repair your skin barrier can lead to clearer, smoother, and healthier skin at any age. What Is the Skin Barrier? The skin barrier is the outermost layer of your skin, also known as the stratum corneum. It acts like a shield, locking in moisture while keeping harmful substances out. A…