Yunohana collectively refers to the minerals that are precipitated in the hot springs, but only that of Beitou in Taiwan and Tamagawa Hot Spring in the Akita Prefecture of Japan contains the trace element, radium, that forms hokutolite. Hot spring water continuously brings radium-containing minerals from underground to the surface.
Hokutolite is a very rare ore which is only found in Japan’s Akita Prefecture’s Tamagawa Onsen. Our products are authentic and consists of hokutolite in various forms to alleviate various body conditions you may have. Do browse through our products either online or at our shop!