We all know how important it is to slather on SPF when you’re heading outdoors, especially in the summer. But everyone makes mistakes, and sometimes, those mistakes leave us with a gnarly sunburn. Your first instinct is likely to douse your hot-to-the-touch skin in aloe vera. And while it feels like instant relief, there’s more you can be doing for your damaged skin. We asked Dr. Hadley King for the ultimate after-sun routine, including her secret to prevent peeling.