If you're prone to the perennial fight against muggy air, the quickest fix may just be to switch up your shampoo. Celebrity stylist Justine Marjan tells us that your in-shower routine can actually make a big impact in how your hair responds — or doesn't respond — to the dew point. "You want to find a shampoo that pushes moisture into the hair," she says. "When your hair is well-hydrated, it's soft, silky, and more manageable when the moisture in the air increases."