Planning for a beach vacation? Before you pack your bikinis, kaftans and sandals, don't forget that one true essential: Sunscreen. After all, it's what you need to protect your skin against harmful UV rays that can burn and age you. To ensure you stay well-protected, you need at least a fifty-cent-sized dollop for the face, and a full shot-glass' worth for the body. Re-apply every two hours and you'll be set for any sunny situation.
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