The skin barrier is a fascinating and complex structure — and it’s vital for maintaining the overall health and appearance of our skin. Functioning as the body’s protective shield, it plays a key role in preventing water loss, keeping out allergens, and generally making sure that the skin remains hydrated and nourished.  In other words, understanding the skin barrier’s function and how to care for it is essential for anyone interested in skincare. Today, we’re exploring the scientific foundation of the skin barrier, how to recognize signs of a damaged skin barrier, and practical strategies for repair and maintenance. By