Chemical vs. Physical Sunscreens Chemical sunscreens absorb the sun’s rays before they can damage your skin. These sunscreens tend to be easier to rub into your skin. Physical (mineral) sunscreens block the sun’s rays before they have the chance to penetrate the skin. These sunscreens are a good option if you have sensitive skin. A broad spectrum sunscreen with at least SPF 30 is recommended for daily use. Apply 15 minutes before heading out to allow the active ingredients to begin working. Broad spectrum protects against both UVA and UVB radiation. The “ A ” in UVA protects against “skin aging ” while the “ B ” in UVB protects against “ sunburn . ” Sunscreen should be used year- round, even on days when there’s little sun. What SPF should I use?
The best sunscreen is the one that you will actually use! Some might prefer the ease of a clear spray while others may prefer a lightweight lotion.
How much do I need to apply?
To protect exposed areas of the face and body you’ll need 1 ounce (a full shot glass) of sunscreen — a nickel sized amount for the face alone. Squeezed into your hand, 1 ounce of sunscreen is enough to completely cover your palm.
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