Skin care
Learning Center
Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
Best sunscreen: Understand sunscreen options
Confused about the best sunscreen? Here's some help sorting through the options.
Applying sunscreen? Don't be stingy
Most people use sunscreen too sparingly. If you use sunscreen generously and frequently, a bottle of sunscreen shouldn't last long. Generally, a liberal application is 1 ounce (30 milliliters) — the amount in a shot glass — to cover exposed parts of the body. You might need to apply more, depending on your body size. If you have a 4-ounce (118-milliliter) bottle, you'll use about one-fourth of it during one application.
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