Even if you have a full head of hair, your scalp is still one of the more susceptible spots when it comes to sun damage. It's the easiest place for you to burn for two major reasons. First, it's the closest part of your body to the sun, and second of all, it's really difficult to find a sunscreen that you can apply on your scalp without causing a ton of other problems. But if you know what to look for, finding the best scalp sunscreens isn't all that difficult.
The best way to find a good sunscreen for your noggin? Forget everything you know about sunscreen. The typical lotions are going to create a sticky, goopy mess once you try to rub 'em into your hair. Instead, look for alternative options. Sprays, oils, foams, and powders are all much easier to apply to your scalp. And stay away from any product that contains ingredients that aren't good for your skin in general, like alcohol and mineral oil. You also have to remember to reapply the product onto your scalp just as often as you would the rest of your body — especially if you're sweating or swimming.