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www.skincancer.org/skin-cancer-information/ask-the-experts/does-a-higher-spf-sunscreen-always-protect-your-skin-better

Q. Does a higher-SPF (sun protection factor) sunscreen always protect your skin better than a lower-SPF sunscreen? How high should I go? A.Sunscreens with ...

www.ewg.org/sunscreen/report/whats-wrong-with-high-spf

Theoretically, applying sunscreen with a sun protection factor – SPF – of 100 would ... But for high-SPF sunscreens, theory and reality are two different things.

www.webmd.com/beauty/features/high-spf-sunscreens-are-they-better

Nov 9, 2012 ... "SPF is not a consumer-friendly number," says Florida dermatologist James M. Spencer, MD. "It is logical for someone to think that an SPF of 30 ...

www.bustle.com/articles/164390-what-is-the-highest-spf-available-the-answer-might-surprise-you

Jun 1, 2016 ... According to Penn State Prevention Research Center, proper and repeated application of sunscreen is more important than the SPF number.

health.howstuffworks.com/skin-care/beauty/sun-care/spf.htm

SPF numbers were introduced to measure a sunscreen's effect against UVB rays. Learn about SPF numbers and find out how high SPF numbers can go.

www.healthguidance.org/entry/16485/1/Is-SPF-100-Sunscreen-Twice-as-Good-as-SPF-50.html

One of the ways to judge the effectiveness of a sunscreen or suntan lotion is by the sun protection factor (SPF) rating listed on its label. In theory, the higher the ...

www.businessinsider.com/do-high-spf-sunscreens-work-better-50-2017-5

May 31, 2017 ... That SPF 100 sunscreen might be giving you a false sense of security.

business.time.com/2011/08/19/12-things-you-really-should-just-stop-buying/slide/6-super-high-spf-sunscreen

Aug 18, 2011 ... The truth: According to the Skin Cancer Foundation, “SPF 15 blocks approximately 93 percent of all incoming UVB rays. SPF 30 blocks 97 ...

www.huffingtonpost.com/2012/05/22/what-spf-should-i-use_n_1530402.html

May 22, 2012 ... While the numbers were spinning wildly out of control, most of us were still confused about what SPF we should be wearing. Higher is better ...