When Lee Moon-won opened his clinic in Seoul in 2005, he made an unusual decision for a Korean medicine practitioner: He would treat hair loss. "At the time, there were hardly any medical institutions specializing in hair loss, not only in Korea but globally," said Lee in an interview with The Korea Herald at his office in Seoul on Aug. 27. "The purpose was to treat only hair loss and use purely natural ingredients for treating it." Twenty-one years later, that narrow focus has taken his clinic