Utsugi, Ryuichi: - Dr. Ryuichi Utsugi, MD, is a specialist in anti-aging and skin health, and a board-certified plastic surgeon for over forty years. He founded the Aesthetic Medicine Center of the Research Institute of Kitasato University Hospital and is the Director of Clinic UTSUGIryu in Tokyo, Japan. He was an expert advisor to skincare companies and had his own line of skincare products before he discovered what they do to the skin. He presented and published this research in conferences, scientific papers, medical textbooks, and skin health books. One of his books, translated in Chinese as Skin Fasting, remains popular across Asia a decade after publication in Japan.