In short, the study showed that SPF 100 is 11 times more effective at preventing sunburn than SPF 50 - and that’s impressive to say the least. Sunscreen works to shield skin from the UV ...

But might you be better off with a much higher protection factor? The addition of SPF 100 to chemists and beauty aisles might ...

Sun protection factor (or SPF) is a measure of how well ... No sunscreen blocks 100% of the sun’s rays. Getty Images Do you need sunscreen if you have dark skin? Yes. Even though darker-skinned ...