First SGE (Super Growth Energy) Ganban-yoku (Hot Stone Spa) Treatment in U.S. Refresh yourself with the power of SGE stones that are a rare natural mineral ore from Japan. These stones emit far-infrared rays and negative ions, which promote perspiration, enabling the body to detoxity itself and be refreshed. Our "Omotenashi hospitality" concept encompasses the recovery of mental and physical health by multisensory relaxation from the sound of flowing water to the smell and taste of herbal teas. Relaken, known as the integrated spa facility all across Japan, has finally made its way to the U.S.