Microorganisms teach us
how to live.
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The rice bran enzyme bath is a heat therapy powered by the heat of fermenting microorganisms. It needs no starter culture — daily aeration together with a small amount of fresh rice bran and water every few days keeps it alive and generating heat indefinitely.
Building on this sustainable therapy passed down from our teachers, we researched how to combine it with "radon," a substance highly effective at neutralizing the bran's odor, and secured a patent in 2014. As the moist heat of the enzyme bath and radon began to work together, we noticed the enzymes seeming to move with a will of their own — and in 2026 we named this discovery "Shitsunetsu Radon Daigoyoku."
