Just like you deep-clean your house and swap your winter wardrobe with lighter clothing, it's important to update your skin care regimen and start fresh when warm weather arrives. «In general, spring is a time for skin to improve,» says Jami Miller, MD, a dermatologist at Vanderbilt Dermatology in Nashville, Tennessee. The frigid temps and dry air of winter make skin itchy, and tend to worsen skin conditions like eczema, rosacea, and psoriasis, explains video production company Dr. Miller. About 90 percent of people with rosacea say that changing seasons affects their condition, with about half experiencing an increase in symptoms, according to the National Rosacea Society. So as the weather warms up, try these expert tips to switch up your spring skin care routine for radiant, healthy skin.