Habits of People With Flawless Skin You don’t have to live at the spa, spend money on expensive products, or change everything about your beauty routine in order to have a glowing, healthy complexion. Here, dermatologists share the simple secrets to achieving perfect skin. They clock at least 7 hours of sleep. Beauty sleep is real: Unless you have a team of makeup artists waiting in your bathroom every morning, it’s hard to look gorgeous and youthful when you’re skimping on Zzs. If you’ve ever woken up with dark circles under your eyes, you already know what research has shown —that a lack of sleep can contribute to periorbital hyperpigmentation, a.k.a. “raccoon eyes.” And a 2010 study from researchers in Sweden showed that a group of participants were rated as more attractive after eight hours of shut-eye compared to when they were sleep deprived. They protect their skin from sunlight. Sunlight is the cause of at least 8...