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According to the MD Anderson Cancer Center, an SPF 15 sunscreen blocks 93% of the sun’s harmful UVB rays, and SPF 30 blocks 97%. Once you get higher than that, you’re only getting a small ...
Levin also cautions people this summer to seek shade during peak sun (10 a.m. to 4 p.m.) and avoid tanning beds as they're also associated with significant skin cancer risk.
I always recommend a SPF level at or around an SPF 50, as that's the magical number where you are maximizing your UVB protection while using a formulation that is easy enough to rub in and will ...
Sunscreen, also known as sunblock, [a] sun lotion or sun cream, is a photoprotective topical product for the skin that helps protect against sunburn and prevent skin cancer. Sunscreens come as lotions , sprays, gels, foams (such as an expanded foam lotion or whipped lotion [ 4 ] ), sticks, powders and other topical products.
Using sun protection Applying sunscreens with SPF ratings 30 or greater that also block both UVA and UVB light, at least every 2 hours and after swimming or sweating [45] Applying sunscreen at least 15 minutes before going outside, as this allows time for the sunscreen to be absorbed appropriately by the skin [45]
SPF number: Look for the number 30 or higher, according to dermatologist and Women's Health advisor Mona Gohara, MD. SPF type: The type of SPF you choose (mineral or chemical) is totally up to ...