Julie Darby-Jett Dermatology opened in south McKinney on Oct. 3. The dermatology practice, at 5050 Collin McKinney Parkway, Ste. 202, is located inside of Skinzone Rx, a skin care medical clinic. Julie Darby-Jett Dermatology provides medical dermatology services, including the treatment of acne, skin cancers, psoriasis, eczema and other rashes, preventative care and more, according to its website. The practice is now accepting general dermatology patients of all ages. 469-384-7807. www.juliedermpa.com