The Iyashi Dôme Japanese sauna is a revolutionary spa technology that combines traditional Japanese bathing concepts with modern infrared therapy. Unlike conventional saunas, which rely on dry heat in public or private rooms, this device features a dome-shaped enclosure over a single-person cushioned bed. The design allows full-body heat exposure while keeping the face outside the dome, enhancing comfort and privacy.
Promoted as a wellness tool, the Iyashi Dôme claims multiple benefits: reducing wrinkles, improving sleep, hydrating skin, promoting muscle recovery, and aiding weight management. Its exclusivity — with only around 800 units worldwide, including just two in Manhattan at Reforme Spa — makes it a luxury experience for those seeking both relaxation and rejuvenation.
What is the Iyashi Dôme Japanese Sauna
The Iyashi Dôme Japanese sauna is a revolutionary wellness device that combines traditional Japanese bathing concepts with modern infrared therapy. “Iyashi” in Japanese roughly translates to healing or soothing, reflecting the sauna’s goal of promoting relaxation, detoxification, and overall physical and mental wellness. Unlike conventional saunas that rely on dry heat in public or private rooms, the Iyashi Dôme features a dome-shaped enclosure over a single-person cushioned bed. This design allows full-body heat exposure while keeping the face outside the dome, enhancing comfort, privacy, and a focused, restorative experience.
Promoted as a holistic wellness tool, the Iyashi Dôme claims multiple benefits: reducing wrinkles, improving sleep, hydrating skin, aiding muscle recovery, and supporting weight management. Its exclusivity — with only around 800 units worldwide, including just two in Manhattan at Reforme Spa — positions it as a luxury experience for those seeking both relaxation and rejuvenation.
How the Iyashi Dôme differs from traditional saunas
Unlike the typical sauna where users sit or lie on wooden benches, the Iyashi Dôme Japanese sauna provides:
Infrared heat therapy: Infrared radiation penetrates deeper into the skin and muscles, enhancing circulation, stimulating sweating, and supporting detoxification.

Full-body comfort: Users lie on a cushioned, towel-covered bed rather than an uncomfortable bench, creating a relaxing environment.

Private, focused experience: The dome allows individuals to enjoy a solitary session without distractions, maximising both mental and physical benefits.
This unique combination creates an environment that feels immersive, soothing, and controlled, optimizing the therapeutic effects of heat.
Health benefits of the Iyashi Dôme Japanese Sauna
Infrared therapy, including sessions in the Iyashi Dôme, has been linked to numerous physiological and mental benefits:

• Stress reduction: The heat promotes relaxation, lowers cortisol levels, and calms the nervous system.


• Enhanced sleep: Users report falling asleep faster, experiencing deeper sleep, and having fewer nighttime awakenings.


• Muscle recovery and pain relief: Infrared heat penetrates sore muscles, reduces stiffness, and supports faster recovery after exercise.


• Cardiovascular support: Improved circulation and temporary elevation of heart rate can aid heart health and blood pressure regulation.


• Skin rejuvenation: Detoxification and increased blood flow may improve skin tone and reduce the appearance of fine lines.

Iyashi Dôme Japanese Sauna: Burn calories, detoxify, and boost recovery in 30 minutes
One of the most talked-about claims is that a single 30-minute session in the Iyashi Dôme Japanese sauna can burn up to 600 calories — roughly equivalent to a 12-mile run — and produce about 40 ounces of sweat. While calorie burn varies per individual, the intense sweating stimulates metabolism and detoxification, contributing to potential weight management benefits.
During a session at Reforme Spa, I started lying on my stomach for 15 minutes, then flipped onto my back. Sweat quickly poured, heart rate increased, and I experienced sensations similar to moderate physical exercise. By the session’s end, I felt both physically drained and mentally relaxed — a combination that promotes overall wellness.
Tracking with an Oura ring, I observed:

• Higher readiness scores for daily activity


• Lower resting heart rate


• Improved sleep quality and duration

This demonstrates that infrared sauna therapy can enhance recovery, reduce stress, and support better sleep patterns.
How the Iyashi Dôme Sauna improves stress and sleep
One of the most significant advantages of the Iyashi Dôme Japanese sauna is its effect on stress and sleep. The combination of deep heat and a distraction-free environment allows the body to enter a restorative state. Users often experience improved mental clarity, reduced tension, and more restorative sleep, making this a holistic wellness tool.
Priced at $150 per 30-minute session, the Iyashi Dôme may seem like a luxury. However, its combination of stress relief, improved sleep, muscle recovery, skin hydration, and potential calorie burn makes it a compelling choice for wellness enthusiasts.
Even if the exact number of calories burned is hard to measure, the overall benefits of relaxation, mental rejuvenation, and improved physiological function make the Iyashi Dôme an innovative and effective wellness experience.