Buying sunscreen can be a daunting process. Should you get SPF 15 or SPF 70? Spray or lotion? Broad-spectrum, or the fun one that changes colors when it dries? Here's one way to save your skin and save your money: know that SPF doesn't make as big of a difference as you think it does. What does matter is how you use it.
Just a Number
Quantity Over Quality
What Does SPF Mean?
The Chemistry of Sunscreen
Key Facts In This Video
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Sunscreens protect skin from UV light, which can damage skin cells and cause sunburn, moles, freckles, and wrinkles. 00:48
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UV-B light is the primary cause of sunburn. UV-A penetrates more deeply, causing more long-term damage like wrinkles and age spots. Both can cause skin cancer. 01:02
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SPF 15 protects the skin from 93% of UVB rays. SPF 30 protects it from 97%. 02:38
Written by
Ashley Hamer
June 18, 2018
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