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KENCOS 4 Portable Hydrogen Inhaler – Breathe Better, Anytime, Anywhere Elevate your wellness routine with the KENCOS 4, the world’s first portable hydrogen inhalation device, designed for people who prioritize health,...
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Better Sleep
Promotes deeper and more restful sleep naturally.

Stress Relief
Reduce stress and promotes mental clarity.


Stay Refreshed
Maintain calm alertness throughout the day.

Quit Smoking
Healthy alternative to reduce craving.

Take your hydrogen inhalation sessions to the next level with the KENCOS Flavor Cartridge Pack, crafted to add a refreshing, enjoyable twist to your wellness routine. While hydrogen is naturally flavorless...
Electrolyte Solution
Dedicated electrolyte in search of optimal concentration balance.It is a used electrolyte that seeks a balance to generate hydrogen through electrolysis. We use sodium citrate and pure water, which are also...
Trusted by Japan
703 neurologists and neurosurgeons were surveyed online and 88% answered that they would recommend 'KENCOS 4'

88% of neurologists and neurosurgeons answered that they would recommend this product.
Survey details were as follows:
Survey method: Internet survey
Survey duration: 22nd January ~ 23rd January 2023
Surveyees: 703 surveyees in total made up of neurosurgeons and neurologists
Surveyee selection method: Target persons who meet the prescribed conditions for the survey are selected
Survey provider: General Research Inc

Certified Health Improvement product
"Certified Health Improvement product" refers to machinery and equipment designed to improve people's health, beauty and quality of life (QOL) and certified by The Japan Home-Health Apparatus Industrial Association.

Recommended by The Japanese Association of Preventive Medicine for Adult Disease
This recommendation means that The Japanese Association of Preventive Medicine for Adult Disease have recognized KENCOS as a product that can contribute to the spread of preventive medicine, meeting their strict screening criteria.