Hydrogen Health Optimization™
A hydrogen wellness technology platform focused on the creation of hydrogen-rich breathing and bathing environments.
Explore H6 Pro™ for hydrogen-rich breathing environments and Bath One™ for hydrogen-rich bathing experiences.
H6 Pro™
Premium hydrogen wellness technology designed to support the creation of hydrogen-rich breathing environments in homes, wellness spaces, and professional settings.
Bath One™
A hydrogen bath system designed to create hydrogen-rich bathing environments for immersive whole-body wellness experiences.
Why HHO™ Exists
A journey spanning decades of exposure to hydrogen technologies, product development, manufacturing relationships, and practical experience.
The HHO™ platform was created from a simple observation:
Many hydrogen products exist. Very few are professionally presented, carefully selected, internationally supported, and designed around long-term customer experience.
HHO™ was established to bring together modern hydrogen wellness technologies within a single platform focused on quality, simplicity, and user experience.
Hydrogen Wellness Technology
For breathing and bathing environments.
A new generation of wellness systems designed to support the creation of hydrogen-rich environments through modern electrolysis and precision engineering.
Why customers choose HHO™
- International shipping
- DDP delivery available
- Dedicated customer support
- Curated product selection
- Modern hydrogen wellness technology
- Clear warranty and support policies
H6 Pro™
Hydrogen Health Optimization System
The first product on the HHO™ platform. A precision wellness system delivering 99.99% pure molecular hydrogen at high flow rates — engineered for premium home wellness and dedicated wellness spaces.
- H₂ flow
- 6,000ml/min
- Purity
- 99.99%
- Users
- 4
Bath One™
Hydrogen-Rich Bathing. Reimagined.
The second pillar of the HHO™ range. Where H6 Pro™ delivers hydrogen-rich breathing, Bath One™ infuses a drawn bath with high-flow hydrogen water for a complete home wellness ritual.
- Flow
- 3.75L/min
- Purity
- 99.99%
- Height
- 420mm
Why HHO™?
A hydrogen wellness technology platform focused on the creation of hydrogen-rich breathing and bathing environments through precision engineering and modern electrolysis systems.
HHO originally became widely recognised as a technical abbreviation within hydrogen and electrolysis industries. At HHO™, the acronym has evolved into something broader.
Hydrogen Health Optimization™ — a hydrogen wellness technology platform focused on the creation of hydrogen-rich breathing and bathing environments through precision engineering and modern electrolysis systems.
Today, HHO™ is more than a device. It is a platform for future health technologies built around hydrogen.
Built for high-purity hydrogen delivery
SPE/PEM electrolysis produces ultra-pure hydrogen with zero ozone and zero carbon monoxide — engineered for comfortable, long wellness sessions.
6000 ml/min H₂
High-output flow rate supports deep tissue saturation in shorter sessions.
99.99% purity
PEM membrane separates hydrogen from oxygen with no contaminants.
Multi-user
Up to four cannulas simultaneously — ideal for clinic or family use.
30–360 min sessions
Programmable timer in 30-minute increments, up to 6 continuous hours.
Three-speed silent mode
Whisper-quiet operation suitable for treatment rooms and bedrooms.
365-day water cycle
Built-in sterilization lamp — refill cycles measured in months, not days.
Engineered, inside and out
One machine, four wellness contexts
Molecular hydrogen has emerging applications across everyday wellness, athletic recovery, beauty and considered home self-care.
Wellness spaces
A premium amenity for considered wellness environments — multi-user output supports concurrent guests.
Athletic recovery
Used pre/post-training as part of an oxidative-stress and recovery routine.
Beauty & spa
Pairs with hydrogen-rich water and bath modalities as part of a full-spectrum wellness ritual.
Home wellness
Long-session capacity (up to 6 hours) supports unhurried daily wellness routines at home.
Clinical-grade vs household HHO — what you actually get
Household HHO units output a 2:1 mixed hydrogen/oxygen gas at consumer-grade build quality. The H6 Pro™ delivers pure molecular H₂ at clinic-grade flow rates, certified for continuous duty and commercial use.
| Gas delivered | Pure H₂ (matches all peer-reviewed inhalation studies) | 2:1 mixed HHO — H₂ + O₂ blend |
| Therapeutic H₂ flow | 6,000 ml/min pure H₂ | ~4,000 ml/min H₂ (within 6,000 ml mixed) |
| Separation tech | SPE / PEM membrane electrolysis | Single-chamber HHO electrolysis |
| Purity | 99.99% — ozone-free, CO-free | 99.99% mixed gas |
| Duty cycle | Continuous, clinic back-to-back sessions | Short home sessions |
| Housing | Galvanized steel, industrial chassis | ABS plastic + sheet metal |
| Session length | Up to 360 min programmable | Typically 30–60 min |
| Concurrent users | Up to 4 cannulas | Single user |
| Water system | Built-in UV sterilization, 365-day cycle | User-supplied purified water |
| Commercial use | Licensed for clinic / commercial deployment | Wellness-only, not for resale of service |
| Warranty | 12-month manufacturer + service support | Consumer warranty, limited support |
| Positioning | Clinic-grade medical hydrogen generator | Household wellness gadget |
Pure H₂ vs mixed HHO — why it matters
Published hydrogen research uses pure molecular hydrogen at controlled concentrations (typically 2–4% H₂ in air). Mixed HHO gas delivers oxygen alongside the hydrogen, which changes the inhaled composition and has no comparable research base. If the research matters to you, the gas composition matters.
Built to last
A household HHO unit running 1–2 hours a day will reach its design limits in 12–18 months. The H6 Pro™ is rated for continuous duty and engineered for years of daily wellness sessions — at home or in a dedicated wellness space.
Technical specifications
| Model | H6 Pro™ |
| Hydrogen flow rate | 6000 ml/min (scalable up to 12,000 ml/min) |
| Hydrogen purity | 99.99% |
| Separation technology | SPE / PEM membrane electrolysis |
| Working mode | 30-minute increments, up to 360 min continuous |
| Voltage | 100–240 V · 50/60 Hz |
| Power | 1500 W |
| Water source | Purified or distilled water |
| Water temperature | 0–60 °C |
| Housing material | Galvanized steel sheet |
| Product dimensions | 50 × 40 × 60 cm |
| Carton dimensions | 60 × 53 × 74 cm |
| Net weight | 31.5 kg |
| Gross weight | 39 kg |
| Safety | Ozone-free, CO-free, built-in UV sterilization |
Clinical evidence for molecular hydrogen
Over a decade of peer-reviewed research has investigated molecular hydrogen as a selective antioxidant and redox modulator. Four representative review summaries curated for the HHO™ evidence library:
Chronic fatigue syndrome (ME/CFS)
Four-case clinical report on H₂ inhalation in ME/CFS — symptoms overlap with long-COVID, where hydrogen has also shown effect. Pilot evidence supporting further controlled trials.
Read the full summary →
Wound repair & tissue regeneration
Artamonov et al. (2024) — H₂ promotes wound closure via selective free-radical scavenging, antioxidant enzyme activation, and reduced pro-inflammatory cytokines. Inhalation, ingestion and bathing all clinically feasible.
Read the full summary →
Kidney disease (incl. diabetic nephropathy)
Hirano, Ichikawa, Sato et al. — Biomedicines, 2023 (Keio University / MIZ Corp.). 13,000-word review of basic and clinical research on H₂ therapy across multiple kidney pathologies.
Read the full summary →
Chronic rhinitis
Yu Shaoqing team, Tongji University Hospital — multi-year basic-to-clinical research program on H₂ for allergic and chronic rhinitis, consolidated in a recent review.
Read the full summary →
Mechanism: H₂ nanobubbles & oxidative stress
Liu Shu lab, Beihang University — characterises reactive-oxygen-species scavenging pathways and endogenous antioxidant enzyme upregulation.
Ten representative patient improvement cases
Field testimonials from hydrogen-inhaler users: chronic gastritis, GI inflammation, hypertension, sleep and energy outcomes after sustained daily protocols.
Research summaries are not medical claims. The H6 Pro™ is sold as a wellness device; consult a licensed clinician before using hydrogen therapy for any diagnosed condition.
Browse all evidence →Buy the H6 Pro™ — shipped worldwide, duties included
Order direct from HHO™ in your local currency. Prices shown include DDP delivery, manufacturer warranty and full accessory kit — shipped worldwide, no sales call required.
Showing pricing for United Kingdom (GBP). Change country in the header to see your local price.
inc. 20% VAT. 2–5 business days · Tracked & insured UK courier.
- DDP to United Kingdom included — no customs surprises
- 2-year manufacturer warranty · UK-based specialist support
- Nasal cannulas + full accessory kit included
Most-asked questions
Science-led answers on hydrogen inhalation, safety and the H6 Pro™. 41+ more in the full knowledge base.