The skin does so much for the rest of the body, protecting it from pathogens and blocking ultraviolet radiation from the sun, that we should try our best to keep it healthy. So what are the ways we can practice proper skincare to keep our skin in tip-top shape? There are really four main things we should be doing; avoiding injury, preventing sun damage, keeping our skin moisturized, and refraining from behaviors that can damage our skin from the inside, such as smoking or drinking alcohol in excess.