What Is the Skin Barrier and How Do You Protect It? 

Your skin is the body’s largest organ, making up 15% of your body’s weight — and the skin barrier is the invisible shield that protects it. Here’s what you need to know about keeping your skin barrier in good shape.

Beautiful and cheerful Asian woman standing in her bathroom, holding face cream and applying it to her cheeks and face.
Credit: miniseries/ E+ via Getty Images
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