
Looking for comfort under a shoreline umbrella or an overhang close to the pool doesn't mean you're getting sufficient security from the sun. Why? Sand and water both reflect harming beams, and 34% of UV radiation gets past when you're under a shoreline umbrella, "so despite everything you need to apply sunscreen in case you're sitting under spread," says Dr. Graf. Regardless of the possibility that you don't get a sunburn, despite everything you're getting UV presentation.