 Learn more at SmokeyBear.com. Brought to you by the U.S. Forest Service, your state forester, and the Ad Council. Most of us like to be out in the sun. That's why sunscreen and other safety measures are key to protecting your skin from aging and cancer. The FDA recommends using a sunscreen with an SPF of 15 or higher. Also, look for broad spectrum on the label. That means both harmful ultraviolet A and B rays are blocked.