Dr. Marjan Yousefi shares her wealth of expertise and insights on all things Botox in » Dr. Marjan Yousefi shares her wealth of expertise and insights on all things Botox in her comprehensive and informative blog. Find skincare advice, health tips, and solutions. Dr. Yoursefi, M.D. is a board-certified dermatologist with a practice focused on adult and pediatric dermatology, dermatologic surgery, and cosmetic procedures to enhance the skin.