Oops.It's the first day of your beach vacation and you stayed out in the sun a little (or a lot) too long.Now your skin is paying the price and you're in need of some relief.A sunburn is your skin cells' reaction to damage from the sun's ultraviolet radiation.In a first-degree sunburn, the top layer of skin, called the epidermis, is injured, resulting in redness, pain and swelling.
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