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Did you overdo the sun exposure during the July 4th holiday? Perhaps you're not choosing — or applying — your sunscreen properly.

To help, the American Academy of Dermatology offers guidance on how to select a sunscreen: “When selecting a sunscreen, make sure the label says:”

• “Broad spectrum: The words “broad spectrum” means that the sunscreen can protect your skin from both types of harmful UV rays — the UVA rays and the UVB rays.”
• “SPF 30 or higher: The American Academy of Dermatology recommends that you select a sunscreen with an SPF rating of 30 or higher.”
• “Water resistant: Dermatologists also recommend that you look for the words “water resistant.” This tells you that the sunscreen will stay on wet or sweaty skin for a while before you need to reapply. Water resistance lasts either 40 or 80 minutes. Not all sunscreens offer water resistance.”

The group also offers tips on how to apply sunscreen:

• “Apply sunscreen generously before going outdoors. It takes approximately 15 minutes for your skin to absorb the sunscreen and protect you. If you wait until you are in the sun to apply sunscreen, your skin is unprotected and can burn.”
• “Use enough sunscreen. Most adults need at least one ounce of sunscreen, about the amount you can hold in your palm, to fully cover all exposed areas of your body. Rub the sunscreen thoroughly into your skin.”
• “Apply sunscreen to all bare skin. Remember your neck, face, ears, tops of your feet and legs. For hard‐to‐reach areas like your back, ask someone to help you or use a spray sunscreen. If you have thinning hair, either apply sunscreen to your scalp or wear a wide‐brimmed hat. To protect your lips, apply a lip balm with a SPF of at least 15.”
• “Reapply sunscreen at least every two hours to remain protected, or immediately after swimming or excessively sweating. People who get sunburned usually didn't use enough sunscreen, didn't reapply it after being in the sun, or used an expired product. Your skin is exposed to the sun's harmful UV rays every time you go outside, even on cloudy days and in the winter.”

For more, check out their video: