Kikuchikouso|About the Enzyme Bath
Originating in Japan, the enzyme bath is a traditional treatment where you immerse yourself in fermented rice bran. In this therapy, guests are enveloped in the warm rice bran, naturally heated through fermentation, and experience a rejuvenating time that frees both the body and mind, leaving them thoroughly energized. We call this the "miracle 15 minutes." The process starts with 15 minitues in the enzyme bath, followed by a shower.
Kikuchikouso|About the Enzyme Bath
We believe that providing customers a rejuvinating experience through the enzyme bath is a wonderful experience in itself. No special skills or certifications are required to start the enzyme bath. All you need is the physical strength to stir a bathtub-full of rice bran daily using a large shovel, as well as the courage to handle the living bacteria in rice bran.
Kikuchikouso|About the Enzyme Bath
We have obtained a unique fermented rice bran that generates heat developed by a long-established a research facility. This fermented rice bran produces heat around 70 degrees Celsius when properly maintained. Additionally, the more people use the bath, the better the quality of the rice bran becomes, as the process promotes natural fermentation and generates more heat.
Kikuchikouso|About the Enzyme Bath
The Science Behind Enzyme Bath

The enzyme bath is a steam bath that uses the heat generated by microorganisms fermenting within rice bran. Fermentation is a traditional technique used worldwide in foods like bread, wine, and cheese. Research into enzyme baths also required extensive time, similar to the aging process for wine or cheese. With daily maintenance, enzyme baths can maintain a cycle where heat is reliably produced each day. Just as kneading flour and baking bread in the oven is a daily ritual, caring for an enzyme bath is an essential routine that sustains the microorganisms’ life.
Inside the enzyme bath, millions of microorganisms, are actively interacting. The world of microorganisms is constantly changing. Just like humans, these microorganisms breathe, feed on the bran and human waste, and excrete byproducts, repeating this cycle to generate heat. By utilizing the life force of these microorganisms in the heated rice bran, we create a type of steam bath, benefitting from the warmth they produce to sustain life. Enzymes containing countless microorganisms are a biological catalyst which penetrate the body through pores, activating the cells from within.
This heat-producing rice bran is completely sustainable as long as it’s properly maintained daily. It continuously self generates heat without electricity or gas. All that’s needed is rice bran and water. While it requires some manual work, the only cost involved is the price of rice bran which can be used indefinitely, if properly maintained. With the maintenance technique we teach, which is similar to caring for a child or pet with love and attention, the rice bran will continue to produce heat indefinitely. The maintenance, which is completely different from making fertilizers, involves stirring the rice bran with a shovel to add air. Although this requires arm strength, the process of mixing feels similar to mud therapy or earthing. Once you get used to the maintenance, it is an enjoyable task, much like farming.
Kikuchikouso|Our business
Our business support program is designed to help you establish an enzyme bath business by providing our precious heat-generating rice bran and all the other necessary knowledge to open an enzyme bath facility. Before opening a facility, you may be faced with various issues - such as designing the shop, maintaining the rice bran heat, ensuring customers’ comfort, caring for customers with illnesses or injuries, or ensuring the quality of the raw rice bran. We have been running this business for over 30 years, helping many in Japan and abroad to start their own enzyme bath facilities. The business can be sustained for a long time. It is the ultimate circular industry, where fermentation produces renewable energy daily and revitalizes people.
It is a business that fits well with today's world.
Our start-up support includes the following:
1
Our proprietary heat-generating fermented rice bran
2
Specially selected raw rice bran
3
Deodorizing boards
4
Technique for maintaining the bath, and other tips to operate an enzyme bath facility
We will send items 1-3 from Japan. We will provide you training on site to share knowledge regarding item 4.
1.Heat-Generating Fermented Rice Bran
In our enzyme bath method, we maintain consistent heat by regularly adding fresh rice bran to the fermented base. The starter culture of fermented rice bran we provide is the result of years of dedicated effort. The microorganisms do more than generating heat; their enzymes must penetrate the body to enhance immunity and boost metabolism from within. Stablizing this process creats a uniquely effective experience, setting our enzyme baths apart from others.
Heat-Generating Fermented Rice Bran
2.Raw Rice Bran
We will ship the required amount of specially selected fresh rice bran to your facility every two months (6 times a year) via air freight. We have partnered with Japanese companies that supply rice bran with the ideal moisture content and grain size, specifically suited for our enzyme baths.
Raw Rice Bran
3.Deodorizing Boards
Since the microorganisms are alive in the rice bran, odors naturally occur, just as they do with plants and animals. Our specially developed deodorizing boards not only have excellent odor control but also help enhance the activity of the microorganisms. These boards are used as lids on the bath while it ferments or can be hung on the walls during business hours to suppress odors.
Deodorizing Boards
4.Technique for maintaining the bath
and other tips to run the business
The key to sucessfully running an enzyme bath business lies in maintaining the baths and providing a seamless experience for customers. We share the comprehensive knowledge we’ve gathered over 30 years, including the ideal bathtub design for optimal fermentation – covering materials and dimensions. We see the bathtub much like a wine fermentation barrel. Even after the initial training, our ongoing personalized support ensures a stable and consistent enzyme bath operation.
In addition to the above, you will need to install shower facilities. Bathtubs should be made locally with our specifications. While there are no requirements for showers except that they should be close to bathtubs, please avoid using see-through glass doors, as staff will need to access the bath area for maintenance.
We will bring the rice bran starter culture and conduct training at your location. We will ensure that the microorganisms acclimatize to the local environment, and take roots in your facilities which contributes to stable fermentation, and start stable heat production. During this time, we work with you to establish efficient operations.
If you're interested in this business, we invite you to come to Japan and experience our enzyme bath for yourself. Our salon is located in Setagaya, Tokyo. This simple yet unforgettable experience will surely leave a lasting memory.
We look forward to meeting you.

kikuchikouso.net

1996 Opened Enzyme Sena in Shizuoka City,
2007, moved to Setagaya, Tokyo, and started supporting the opening of new businesses.
Since then, We supported the opening of more than 60 shops in Japan and abroad.
2021, We were incorporated support business and is currently working to spread enzyme baths around the world.

Natsuka Kikuchi<br />
Representative<br />
Kikuchi kouso
Natsuka Kikuchi
Representative
Kikuchi kouso
1996:First encounter with enzyme baths
1997:Establishes “Kouso Sena” in Sena, Shizuoka City
1999:Works as an instructor at the Japan Institute of Enzyme Medicine
2007:Opens “Kouso Setagaya” in Chitosedai, Setagaya-ku, Tokyo
2021:Incorporate the B to B business as Kikuchi kouso, using Enzyme Lab as a model store.
Hideyoshi Kikuchi<br />
Representative<br />
Kikuchi kouso
Hideyoshi Kikuchi
Representative
Kikuchi kouso
2021:Founded Kikuchi Enzyme, a limited liability company

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    Model Store

    Kousolabo Soshigaya-Okura Shop

    Nearest station is “Soshigaya-Okura”
    on the Odakyu Line.

    ADDRESS
    1F Shinoda Heights, 2-37-8 Chitosedai,
    Setagaya-ku, Tokyo, 157-0071
    TEL&FAX:03-5490-0033
    MAIL: kousolabo@wine.ocn.ne.jp
    Attn: Kikuchi

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