Japan has taken automated hygiene to a futuristic extreme with the launch of the Mirai Human Washing Machine, a full-body bath pod designed to wash, rinse, and dry a person in under 15 minutes. The human washing machine, now officially on sale, generated huge buzz after debuting at the Osaka Expo. But as the device enters the luxury market, the world is asking the same question: is this ultra-convenience innovation actually practical, or just a very expensive novelty?

This deep dive breaks down what the machine does, how it works, why it exists, and what it might mean for the future of personal care.

What is Japan’s new human washing machine?

The Mirai Human Washing Machine is a full-body automated bath capsule built by Japanese company Science Inc. It promises a hands-free cleaning experience using high-tech bubble streams and built-in health monitoring tools. The machine is being marketed as both a cleansing device and a relaxation pod that supports mental wellness.

How does the human washing machine work?

The Mirai pod combines automated cleaning, sensory monitoring, and spa-style comfort into one capsule. It resembles a blend of a tanning bed and a capsule hotel unit, designed for a single user.

Step-by-step process inside the pod

1. User enters the capsule
   The door seals to maintain a controlled internal environment.
2. Microscopic bubble wash cycle
   The pod releases microbubbles that lift oil, dirt, and dead skin from the pores.
3. Relaxation environment activates
   Soft music and ambient soundscapes play throughout the cycle.
4. Automated rinse and dry
   The system rinses the body and finishes with a full-body dry in the same reclined position.
5. Optional monitoring response
   Built-in sensors track vitals such as heart rate and stress indicators. If they detect discomfort, the machine slows or stops the process automatically.

Why microbubbles matter

Microbubble technology has been used in medical cleaning systems and spa treatments for years. Its benefits include:

• deeper pore penetration
• more efficient removal of oils
• reduced need for soaps and detergents
• lower water consumption compared to long showers

What inspired this innovation?

The Mirai isn’t entirely new. A prototype of a human washing machine was showcased at the 1970 Osaka Expo, attracting crowds with its futuristic promise. Science Inc.’s chairman, Yasuaki Aoyama, remembers seeing that original machine as a child. Half a century later, he revived the concept using modern robotics, sensor engineering, and microbubble systems.

The redesigned version at Expo 2025 became one of the most photographed and discussed attractions, which ultimately accelerated its transition from concept to commercial product.

Is this really meant to replace showers?

Not yet. The human washing machine is being marketed primarily as a luxury wellness experience. Science Inc. says the pod cleans the body but also aims to soothe the mind, or as spokeswoman Sachiko Maekura told reporters, “to wash the soul.”

With its combination of biometric monitoring and sensory relaxation, the device sits somewhere between a high-end spa treatment and a personal care robot.

Where the pod may find real utility

Hospitality and travel

Luxury hotels and resorts can offer it as a signature guest experience.

Medical and assisted living

Future versions could serve mobility-restricted patients, making hygiene safer and less labor-intensive.

High-traffic facilities

Theme parks or premium lounges may adopt it for novelty and convenience.

What does the human washing machine cost?

Here’s where convenience takes a painful turn.

The first-generation Mirai model costs around 60 million yen, or about USD 385,000. Because each unit is hand-built, Science Inc. will only produce 40 to 50 machines initially.

Why is it so expensive?

• custom hardware
• biometric sensors
• sealed capsule construction
• microbubble delivery systems
• low-volume manufacturing

The company confirmed that at least one hotel has already placed an order, with several more in the queue. A mass-market model may eventually appear, but only after production can be scaled efficiently.

Why does the human washing machine matter?

Beyond being a novelty, the Mirai bath pod reflects larger trends shaping the future of personal care and automation.

Automation is entering private life

From robot vacuum cleaners to AI-powered cooking appliances, automation is steadily moving closer to intimate daily routines.

Wellness is becoming tech-driven

This device positions hygiene as part of mental health, echoing a global boom in sensory pods, VR meditation, and biofeedback systems.

Japan continues to push robotics leadership

Japan’s aging population and long-standing robotics expertise make it a natural testbed for automated care tools.

Consumer expectations around convenience are rising

A hands-free, 15-minute, data-monitored shower experience aligns with a culture increasingly drawn to quick, efficient self-care.

Who is the human washing machine actually for?

The current model targets organizations rather than individual buyers:

• luxury hotels
• high-end spa chains
• theme parks
• exclusive resorts
• tech-forward wellness centers

Individuals who might eventually benefit include:

Elderly users

Reduced movement means safer, more consistent washing.

Users with disabilities

Automated washing could reduce dependence on caregivers.

High-earning wellness consumers

Some may seek the next frontier of relaxation technology.

These applications should be approached carefully and ethically, especially around privacy, given the machine’s biometric monitoring.

Will we ever see an affordable home version?

Science Inc. says yes, but not soon.

A more compact, lower-priced home model is possible once manufacturing scales and hardware costs decrease. This mirrors the early trajectory of luxury Japanese toilet technology, which eventually became mainstream in homes worldwide.

For now, the Mirai remains a niche luxury device—and a glimpse into how automation could reshape private routines.

TL;DR

• Japan’s human washing machine is a fully automated bath pod that washes, rinses, and dries a person in 15 minutes.
• It uses microbubbles, music, and biometric sensors for a spa-like, hands-free experience.
• The machine costs nearly USD 400,000 and targets luxury hotels and wellness facilities.
• A home model may arrive in the future, but the current version is limited and extremely expensive.
• Beyond novelty, it reflects broader trends in wellness tech, automation, and Japan’s robotics innovation.