When I was in medical school on my dermatology rotation, we joked that all skin treatments boil down to three decrees: If it’s wet, dry it. If it’s dry, wet it. And if in doubt, use steroids.
Some other time I’ll discuss the “drying” of skin, or the use of steroids (which are not, by the way, the kind of steroids taken illegally by athletes!) Today I’ll cover how to keep the skin “wet” – and some principles of moisturizing.
Skin is our first line of defense against disease. Bacteria, viruses, parasites – dangers lurk everywhere. But our epidermis (the outer layer of our skin) blocks them almost always. When people have inflamed skin, the epidermis becomes disrupted and infectious particles can enter their body.
The key to keeping the epidermis intact is keeping it moist. Now, I’m talking about moisture just below the surface of the skin (within the epidermis), so the outside surface doesn’t feel wet. There are molecules within the epidermis that Read more »
*This blog post was originally published at Making Sense of Medicine*