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While I'm on the tan subject; a lot of people make the mistake of 'just bying and applying a suncreen with a great SPF factor' while never educating themselves and not knowing the difference between UVA and UVB. If you're ever going to apply any sunscreen, look for one not just with a high number on it, but for the ''right ingredients''. 95 % of UV rays that reach the surface of earth are UVA, and those are arguably the most harmful ones (causing most type of cancers). At the same time, we lack in ability to consistently and reliably block those rays. UVB actually ''hardens'' the skin, making it more durable in many ways. Any way, sunscreen vary enourmosly in ability to actually protect the skin and what they claim, so read on behind what the small letters say on each bottle, or at least look for ''wide range'' or ''UVA and UVB'' sunscreen protection.
http://www.skincancer.org/prevention/uva-and-uvb
http://www.skincancer.org/prevention/uva-and-uvb
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