Most experts agree people should use sunscreens to protect their skin from the sun , but there is wide disagreement on how well they actually work. In addition, other than sunburn prevention, little is known about their safety . … at Johns Hopkins and chairman of the Skin Cancer Foundation’s photobiology committee that tests sunscreens for safety and efficacy says, “Using this scale (rating) to say a sunscreen offers good protection or bad protection is junk science.” …
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I strongly suggest you go to MERCOLA.com. Search his take on sunscreens. Than also go to EWG.org. Many sunscreens contain carcinogens; ewg.org rates them
Right now your article is flimsy, in that it provides no SOLID information. My own site may also provide you with more information.
Constructive criticism, no offense intended.