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Suzanne Saroff
The complexion attributes that we consider desirable when we look in the mirror elasticity, plumpness, glow, smoothness, even tone can most often be traced back to a healthy skin barrier. Here’s everything you need to know about this essential component of gorgeous skin, and how to keep it in tip-top shape.
What exactly is the skin barrier, and what does it do?
The skin barrier, which is the outermost layer of the epidermis, is commonly described as being similar to a brick wall. The bricks are skin cells called corneocytes, and the mortar that holds them together is comprised of lipids, including cholesterol, fatty acids, and ceramides. When intact, this “wall” keeps pathogens and bacteria, as well as irritants such as pollen and pollution, out of the skin, and seals moisture inside. “It’s very important to protect the skin barrier, because it’s your first line of defense against things getting inside the skin,” says Manhattan dermatologist Marnie N