May is here, which means summer is just around the corner! We know you can’t wait to frolic around the pool or the beach — but first, make sure you invest in some heavy-duty hair protection. We all know that sun, chlorine and saltwater can wreak havoc on your skin, but summertime’s fearsome threesome can also dehydrate your ‘do and leave your highlights looking a brassy, hot mess. Here, we compiled a roundup of sun-shielding hair products and styling options that’ll keep your tresses looking healthy, nourished and glossy, all summer long.