We are told that sunscreen breaks down after two hours. Does it break down at the same rate out of the sun? How many times should it be reapplied?
NYT > Fitness & Nutrition
Well: Ask Well: Reapply Your Sunscreen
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We are told that sunscreen breaks down after two hours. Does it break down at the same rate out of the sun? How many times should it be reapplied?
NYT > Fitness & Nutrition