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You leave without your shades.

Eyes are one of the first areas to show the signs of aging, says Imahiyerobo-Ip. "If you compare a 30- and a 20-year-old, you can see that the 30-year-old may have visible lines around their eyes," she says. The lesson: Don't neglect your eyes. Use an eye cream in the morning (and at night, too) that addresses your particular concern. (For instance, look for hyaluronic acid if you're worried about crepiness, or the ingredient caffeine if you have dark circles.) Slather a broad-spectrum SPF 30 moisturizer around your entire face, including the eye area, which could reverse signs of aging and prevent future damage. Then, sport your shades. It may seem silly, but whether it's cloudy or sunny, winter or summer, "it's still the same sun," says Imahiyerobo-Ip. Wraparound shades will protect your peepers and the surrounding skin to help keep crow's feet away.