Not only does it regulate your body temperature. It plays an important role. Your skin acts as your body’s thermostat. When temperatures rise, sweat glands activate to cool the body down. When temperatures are lower, blood vessels in the skin tighten and limit the amount of hot blood that can reach the skin, preventing heat loss. Pores also become smaller when exposed to colder temperatures in order to retain heat. Be sure to use some protection when out in the hot sun. Try Blu Skin Care's USDA Certified Organic Whipped Coconut Green Tea Moisturizer as a sunscreen. It helps block the suns harmful rays.