It feels good to spend time in the sunshine, but it can take a toll on your skin. That’s because the sun gives off ultraviolet (UV) light that damages your skin and causes sunburn. Over time, these rays can lead to wrinkles, dark spots, and other problem areas. The result: you can add years to your looks. Research shows that UV exposure is the reason behind 80% of your skin’s aging. Is there any way you can turn back the clock? Read more to find out.