Board-certified dermatologist Dr. Whitney Bowe joined \"Good Morning America\" today to talk about Consumer Reports' recommendations, their top-rated brands and unregulated terms on labels and what they mean.

\"Basically, there's three terms you can find on the label that's actually considered regulated by the FDA -- meaning there are agreed-upon definitions,\" Bowe explained. \"You actually have to meet certain requirements for a company to put that term on the label. Those [terms] are SPF, broad spectrum and water resistant.

\"Broad spectrum is so important because it means it covers both UVA and UVB rays and both of those can cause skin cancer,\" she added. \"But with water-resistant, it's important if you're swimming, if you're sweating -- maybe not so much if you're going to work.\"

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STOCK PHOTO/Getty Images
PHOTO:A person puts sunscreen on in this undated file photo.
>

Terms not regulated by the FDA are \"sport,\" \"natural,\" \"mineral,\" \"dermatologist recommended,\" Bowe said.

She went on, \"Pretty much any company can throw them on the tube and they don't have to meet any requirements.\"

As for applicaton, Consumer Reports recommends using about one ounce of sunscreen.

\"That's going to cover your face, your exposed areas,\" Bowe said. \"You want to aim for an SPF of 40 or above and you want to reapply about every two hours if the skin is dry, and more frequently if you're getting wet.\"

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