Your skin barrier comprises four layers that work together: the physical, chemical, microbiome, and immunological layers.

Before I over think it, let's just get going. The Repêchage four-layer facial costs customers a hefty $450. Repêchage is the skin-care line featured at the spa. And for my facial, I got to meet ...

4. Sweat glands are shaped like spaghetti No ... You can’t see it happening, but your whole outermost layer of skin is completely replaced every month. Researchers have discovered that whenever ...