When you go to the beach this summer you’ll be sure to pack the sunscreen to protect against all those harmful rays. But, did you know that many sunscreens don’t perform as well as they say they do? The top nine brands of sunscreen were evaluated by the 2011 Consumer Reports. For explanations of how sunscreen works to protect against UV rays read this article. And pregnant women, beware, there is an ingredient in some sunscreens that you should avoid. For another list of sunscreen ratings, this one showing both the best and the worst, read this report from Wallet Pop.