At our Sugar Land, TX location, Dr. Ryan Riahi offers cosmetic and medical dermatology services for men, women and children. Dr. Riahi, board-certified Houston dermatologist, specializes in treating hair loss, aging skin, diagnosis and treatment of skin cancer as well as cosmetic and medical dermatology. Dr. Riahi offers anti-aging cosmetic treatments with injectables like BOTOX Cosmetic and dermal fillers, and chemical peels to help your skin look its best. We offer a full range of medical and cosmetic treatments to address a variety of skin concerns.