Sunlight Basics: SPF 15 is NOT Enough!
70Scientists tested just how much sunscreen you need to fight UV rays, and they used BUTTS. Kim Horcher and Brett Erlich talk about JUST how much sunscreen you need to apply (and how many times) for it to actually be effective. Let us know what your WORST sunburn story is in the comments below!
https://gizmodo.com/why-your-spf-15-sunscreen-probably-isn-t-enough-to-prot-1827859118
"Are you always careful to apply sunscreen before a day outdoors, but find yourself getting burned anyway? It might be due to your application technique. Dermatologists say that most people don’t put on a thick enough layer sunscreen, and new research—in which scientists put varying amounts of sunscreen on volunteers’ butts—shows how those thin applications of sunscreen fail to provide the SPF listed on the bottle."
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