Transcript for Shocking Viral Video Claims to Show Effects of Sun on Skin
Thanks, Amy. We turn to that viral video revealing the hidden dangers of sun damage. An artist using a special uv camera exposes what's happening below the surface of your skin and may have you think twice about sunscreen and Dr. Jen Ashton has the story. Reporter: It's the shocking video burning up the internet with more than 9 million views and counting. Uv light showing what skin looks like from the inside out. The difference like night and day. Photographer Thomas leveritt hoping his video will shed light on the importance of sunscreen. Watch as these people apply sunscreen to their faces. The lotion appearing on his video as solid black streaks. He says this shows that sunscreen can block uv rays. I think what's interesting about the uv camera is it shows you exactly how effective sunscreen can be. Reporter: One in five Americans will develop skin cancer in their lifetime and while this video only shows a small sample of different ethnic backgrounds dermatologists say everyone is susceptible. Everyone should have their skin checked once a year. A lot of spots, check more often. Reporter: Something I know all too well exposed to the sun at an early age. I was a lifeguard when I was a teenager. I recently had five moles removed. One on my hippo tensionally precancerous. It is truly never too late. Studies show if you use sunscreen every day all year round that you lower Manhattan your risk of skin cancer and aging by over 20%. Reporter: For "Good morning America," Dr. Jennifer Ashton, ABC news, New York?
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