Another vulnerable area? A balding scalp. Luckily, there are now sunscreens formulated specifically for the hair and scalp. Geeta Yadav, M.D., a board-certified dermatologist based in Toronto, recommends using a powder sunscreen, but you might also consider a sunscreen stick or spray. And don’t forget to protect the tops of your ears, especially if your hair doesn’t cover them. —Anissa Gabbara