Take some of our top workhorse ingredients, like retinol and alpha and beta hydroxy acids. These actives are known to make skin more photosensitive. Does that mean we have to shelve them once happy hour-ing turns into an outdoor affair? And then there’s the comfort factor: Anyone who has partied in Coachella Valley knows how quickly skin can turn dry and flakey in warm, arid conditions — and how gross it can feel to apply a heavy cream as a remedy. To find out exactly what kind of moves we need to make to get the most of our must-have actives, we pried into the minds of six dermatologists who seem to know it all. Ahead, get their top recommendations for how to use acids, sunscreen, moisturizers, retinol, and vitamin C come summer months.