Wearing SPF is one of the most important things you can do every day—not only does it help to slow down the signs of aging by protecting against harmful UV rays, but it also helps prevent skin cancer. In fact, I think it’s pretty much a canon at this point that wearing sunscreen—summer or winter, rain or shine—is the best skincare tip out there.
You think Cate Blanchette maintains her flawless complexion just by drinking hot water with lemon every morning? No. Guarantee she’s diligent about sunblock.That said, not all sunscreens are created equal, and there are some pretty scary ingredients lurking in your tube of SPF. We did some digging to find the ingredients you should watch out for in your sunscreen, and the safer alternatives you should try instead.