Diagram of the skinSkin functionsThe skin assumes many functions. She :protects the body from heat, cold, sunlight, wounds and infections;control the body temperature;prevents the loss of fluids and electrolytes ;evacuate waste from the body through the sweat glands;provides touch, which can recognize temperature, pain and pressure for example;aid to manufacture vitamin D .Skin layersThe epiderm RENEW ELLE CREAM and the derm RENEW ELLE CREAM are the 2 main layers of the skin. They are based on a third layer called subcutaneous t RENEW ELLE CREAM sue, or hypoderm RENEW ELLE CREAM .http://tophealthydiet.com/renew-elle-cream/