Do Sunscreens with SPF over 50 Really Make a Difference? - Earth News Report
A recent study tested sunscreen use under typical conditions, comparing the effectiveness of sunscreens rated at SPF50 and SPF100. It is usually assumed that the higher the sun protection factor (SPF) rating a sunscreen has, the greater the amount of protection it provides. Researchers from the Icahn School of Medicine and New York School of
