So Glad You're Here About ZO Skin Centre Dallas Learn a little about ZO Skin Centre Dallas's facility and providers About Us Developed and operated by world-renowned dermatologist Dr. Zein Obagi, ZO Skin Center offers comprehensive skincare treatments specifically designed to restore and rejuvenate your skin. Board-certified plastic surgeon Dr. Chris Khorsandi, along with board-certified general and hand surgeon Dr. Mark Khorsandi, have partnered with Dr.