Molecular Hydrogen
Molecular Hydrogen
Hydrogen Water: The Secret to Softer, Smoother, and Healthier Hair
Tired of spending money on expensive oils that just sit on top of your scalp? Peer-reviewed science shows that soaking in high-concentration hydrogen water penetrates deep to clear blocked hair pores, supercharge circulation to 120%, and force hair cuticles to lay completely flat. Here is how it unlocks softer, healthier hair naturally.
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Why is Hydrogen Bath Water Milky White? The Secret to a Luxurious Spa Experience
Why does hydrogen bath water turn milky white while hydrogen drinking water stays clear? Discover how tiny bubbles, dissolved gas, and pressure influence water’s appearance, creating a spa-like bathing experience at home.
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Hydrogen Bathing: The Science Behind a Modern Onsen Experience
A warm bath is one of the simplest ways to slow down, relax and reset. Hydrogen bathing takes this familiar wellness ritual one step further by dissolving molecular hydrogen, or H₂, into warm bath water. Throughout the bathing session, the body is surrounded by hydrogen-rich water, creating a relaxing experience that is being studied for skin comfort, skin appearance, post-exercise recovery and general wellbeing. H Fizz Hydrogen Onsen brings this modern hydrogen bathing experience home — a simple, calming ritual for better recovery, better skin comfort and better daily wellbeing. What is a hydrogen bath? A hydrogen bath is warm water containing dissolved molecular hydrogen. Molecular hydrogen is extremely small and can diffuse through biological membranes. Researchers studying hydrogen-water bathing propose that hydrogen can enter through the skin and then be distributed through the circulation. One research team described hydrogen bathing as a form of “skin-directed, safe and painless administration” that can be incorporated into everyday life. (Nature) Unlike a bath additive, cream or fragrance, molecular hydrogen is a dissolved gas. Scientists are particularly interested in its possible influence on oxidative stress and inflammatory signalling—processes associated with exercise stress, skin irritation and visible skin ageing. (Nature) Why bathe in hydrogen instead of only drinking or inhaling it? Molecular hydrogen can be introduced into the body in several ways. Drinking hydrogen-rich water delivers hydrogen through the digestive system, while inhalation delivers it through the lungs. Hydrogen bathing offers a third route: direct and prolonged contact with a large surface area of the skin. This makes hydrogen bathing particularly attractive for people interested in skin care, physical recovery and relaxation. It requires no nasal cannula or breathing session and combines hydrogen exposure with something most people already enjoy—a warm bath. The different methods do not necessarily compete with one another. Drinking is convenient for daily hydration, inhalation can provide continuous respiratory delivery, and bathing offers a passive, whole-body wellness experience with direct skin contact. Researchers studying atopic dermatitis noted that bathing allows hydrogen to act directly on the skin and may therefore be especially relevant to skin-focused applications. What concentration of hydrogen has been studied? There is not yet one formally agreed concentration that can be described as the universal “effective dose” for hydrogen bathing. However, human studies provide a useful practical range. A study of hydrogen bathing for atopic dermatitis used 294 ppb, equivalent to approximately 0.294 ppm, in 320 litres of warm water. Another skin study used approximately 300–310 μg/L, or around 0.30 ppm. Research into wrinkles, blotches, skin moisture and oiliness used approximately 338–682 μg/L, equivalent to about 0.34–0.68 ppm. The larger psoriasis study used hydrogen water containing 1.0 ppm of dissolved hydrogen. A post-exercise recovery study used a much higher, supersaturated concentration of 8 mg/L, approximately 8 ppm. (Nature) Taken together, the research shows: Skin-focused human studies have generally reported positive findings at approximately 0.3–1.0 ppm, while higher concentrations have been investigated for physical recovery. With a stated concentration of up to 3 ppm under specified full-bath conditions, H Fizz Hydrogen Onsen operates within the broad concentration range explored in published human research. The concentration should be measured in the actual bath water, because bath volume, water temperature, operating time and the natural escape of hydrogen from water can all influence the final reading. Supporting skin comfort Skin health is one of the most actively researched areas of hydrogen bathing. PSORIASIS : In a controlled study published in Scientific Reports, 41 patients with psoriasis added hydrogen-water bathing to their existing care, while 34 patients formed the control group. Participants in the hydrogen group bathed for 10–15 minutes twice weekly using water containing 1.0 ppm dissolved hydrogen. Zhu, Qinyuan, et al. 2018 After eight weeks, 24.4% of the hydrogen-bathing group achieved at least a 75% improvement in their Psoriasis Area and Severity Index, compared with 2.9% of the control group. At least a 50% improvement was achieved by 56.1% of the hydrogen-bathing group, compared with 17.7% of controls. Itching also improved. The researchers described the results as showing “significant and rapid improvement in disease severity and quality of life.” (Nature) A more recent pilot study examined daily hydrogen-water bathing in six people with atopic dermatitis. Participants bathed for 30 minutes using warm water containing 294 ppb of dissolved hydrogen. After eight weeks, researchers reported visible improvement in rashes on the trunk and limbs, together with reduced itching and improved skin-barrier measurements in areas that had been fully immersed. The authors concluded that “HWB may be useful in the treatment of AD.” These studies support interest in hydrogen bathing as a gentle, skin-directed wellness practice for people concerned about dryness, sensitivity and general skin comfort. Supporting skin moisture and appearance Hydrogen-rich bathing has also been studied for VISIBLE SKIN APPEARANCE. In a 2022 study, five adults aged 49–66 used a daily 10-minute hydrogen-rich warm bath combined with hydrogen-water-soaked facial towels. The programme continued for between 11 and 98 days. Researchers reported improvements in the assessed appearance of wrinkles and blotches, as well as increased moisture in water-deficient skin. Their conclusion stated that the routine “improved both wrinkle degrees and blotch degrees.” (Semantic Scholar PDF) Tanaka, Yoshiharu and Nobuhiko Miwa 2022 Another exploratory study used a daily 10-minute hydrogen bath at approximately 0.30 ppm. The researchers reported that “skin blotches became markedly smaller and thinner,” together with improvements in the appearance and moisturised feeling of the skin. (PubMed) The results point to an appealing role for hydrogen bathing as part of a regular beauty and self-care routine—not by adding more cosmetic ingredients to the skin, but by surrounding it with freshly generated hydrogen-rich water. Post-exercise recovery and muscle soreness Hydrogen bathing may also appeal to active people looking for a relaxing recovery ritual after strenuous exercise. A double-blind crossover pilot study examined six active young men after high-intensity eccentric exercise. Immediately after exercise, the participants took either a 30-minute bath containing supersaturated hydrogen-rich water at 8 ppm or a control bath without hydrogen. The hydrogen bath produced a greater reduction in perceived muscle soreness both immediately after bathing and at the 24-hour follow-up. The study also found a difference in the response of creatine kinase, a commonly measured marker associated with exercise-induced muscle damage. The researchers concluded that supersaturated hydrogen-rich water bathing “can ease sore muscles after high-intensity eccentric exercise.” (Hindawi) This makes hydrogen bathing an attractive addition to a post-gym, post-run or active-lifestyle recovery routine. Why scientists are interested in molecular hydrogen Oxidative stress occurs when the production of reactive molecules exceeds the body’s ability to manage them. It is associated with inflammation, environmental exposure, strenuous exercise and visible changes in ageing skin. Molecular hydrogen is being studied for its possible ability to influence oxidative stress, inflammatory activity and cellular signalling. Because H₂ is so small, researchers believe it can diffuse rapidly across membranes and reach areas that are difficult for many larger compounds to access. (Nature) This provides a possible scientific explanation for why hydrogen bathing is being explored across seemingly different areas, including skin comfort, cosmetic skin appearance and physical recovery. Is hydrogen bathing safe? Published human hydrogen-bathing studies have generally reported good tolerability. In the psoriasis study, two participants found the water temperature uncomfortable. The discomfort disappeared after the temperature was adjusted, and no other adverse reactions were reported. In the post-exercise study, no major side effects were reported; one participant experienced a mild, brief burning sensation when a partially dissolved hydrogen-producing tablet directly touched the skin. (Nature) The main practical precautions are therefore similar to those for an ordinary warm bath: Use comfortably warm rather than excessively hot water, follow the operating instructions supplied with the machine, observe all electrical and ventilation precautions, and leave the bath if you feel dizzy, overheated or experience skin irritation. Anyone who has been medically advised to avoid hot baths, or who is receiving treatment for an active skin condition, should consult their healthcare professional before beginning a new bathing routine. Bring the hydrogen onsen experience home Hydrogen bathing combines three attractive elements: the relaxation of a warm bath, direct contact between hydrogen-rich water and the skin, and a growing body of research into recovery and skin wellbeing. H Fizz Hydrogen Onsen makes it possible to create freshly generated hydrogen-rich bath water at home, transforming an ordinary bath into a modern wellness ritual. There is no special drink to prepare, no mask to wear and no complicated procedure. Simply prepare the bath, activate the system and allow the hydrogen-rich water to surround the body as you relax. H Fizz Hydrogen Onsen brings this new hydrogen bathing experience home — a simple, calming ritual for better recovery, better skin comfort and better daily wellbeing. Research and safety note Hydrogen bathing is an emerging field of research. The cited studies include controlled trials and exploratory pilot studies using different concentrations, bathing times and treatment schedules. Their findings do not mean that a consumer hydrogen bath is intended to diagnose, treat, cure or prevent any disease. H Fizz Hydrogen Onsen is designed as a wellness product and should not replace prescribed treatment or professional medical advice. (PubMed) References: Zhu et al., Scientific Reports (2018); Asada et al., Medical Gas Research (2019); Todorovic et al., Journal of Sports Medicine (2020); Tanaka and Miwa, Hydrogen (2022); Hu et al., Advances in Integrative Medicine (2024); and Guo and Zhang, Clinical, Cosmetic and Investigational Dermatology (2025). A, Emily. “BodySpec.” Bodyspec.Com, 16 July 2026, https://www.bodyspec.com/blog/post/hydrogen_baths_benefits_evidence_and_how_to_use_them. Accessed 19 July 2026. White, Bobby. “Hydrogen Bath Therapy: Evidence, Mechanism, and Practical Use.” Purepebrix, 24 May 2026, https://purepebrix.com/blogs/knowledge/hydrogen-bath-machine-evidence-uses?srsltid=afmbooqu29bowqluevv6ep5dexrdzof0-gs_4lzdolbbwzl1c8eq1az-. Accessed 19 July 2026. Guo, Nan, and Yating Zhang. “Progress in the Application of Molecular Hydrogen in Medical Skin Cosmetology.” Clinical Cosmetic and Investigational Dermatology, vol. Volume 18, 1 Mar. 2025, pp. 511–523, 10.2147/ccid.s500255. Dhillon, Gagandeep, et al. “Hydrogen Water: Extra Healthy or a Hoax?—A Systematic Review.” International Journal of Molecular Sciences, vol. 25, no. 2, 12 Jan. 2024, pp. 973–973, 10.3390/ijms25020973. Hu, Ailing, et al. “A Pilot Study to Evaluate the Potential Therapeutic Effect of Hydrogen-Water Bathing on Atopic Dermatitis in Humans.” Advances in Integrative Medicine, vol. 11, no. 1, 3 Nov. 2023, pp. 2–9, https://www.sciencedirect.com/science/article/pii/S2212958823000848, 10.1016/j.aimed.2023.10.003. Accessed 21 July 2026. Tanaka, Yoshiharu, and Nobuhiko Miwa. “Repetitive Bathing and Skin Poultice with Hydrogen-Rich Water Improve Wrinkles and Blotches Together with Modulation of Skin Oiliness and Moisture.” Hydrogen, vol. 3, no. 2, 1 Apr. 2022, pp. 161–178, 10.3390/hydrogen3020011. Todorovic, Nikola, et al. “The Effects of Supersaturated Hydrogen-Rich Water Bathing on Biomarkers of Muscular Damage and Soreness Perception in Young Men Subjected to High-Intensity Eccentric Exercise.” Journal of Sports Medicine, vol. 2020, 15 Oct. 2020, pp. 1–5, 10.1155/2020/8836070. "The Effects of Supersaturated Hydrogen-Rich Water Bathing on Biomarkers of Muscular Damage and Soreness Perception in Young Men Subjected to High-Intensity Eccentric Exercise.” Journal of Sports Medicine, vol. 2020, 15 Oct. 2020, pp. 1–5, 10.1155/2020/8836070. Asada, Ryoko, et al. “Effects of Hydrogen-Rich Water Bath on Visceral Fat and Skin Blotch, with Boiling-Resistant Hydrogen Bubbles.” Medical Gas Research, vol. 9, no. 2, 25 June 2019, p. 68, https://pmc.ncbi.nlm.nih.gov/articles/pmc6607864/, 10.4103/2045-9912.260647. Zhu, Qinyuan, et al. “Positive Effects of Hydrogen-Water Bathing in Patients of Psoriasis and Parapsoriasis En Plaques.” Scientific Reports, vol. 8, 23 May 2018, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5966409/, 10.1038/s41598-018-26388-3.
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How H Fizz Onsen Works
H Fizz Onsen uses advanced SPE/PEM electrolysis and nano-bubble circulation to dissolve fresh molecular hydrogen into bathwater. Here is how the technology transforms an everyday bath into a premium wellness ritual.
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Hydrogen Therapy and Chemotherapy
Gentle Support During a Challenging Journey Chemotherapy can be an important part of cancer treatment—but it can also be physically and emotionally demanding. Many people experience ongoing fatigue, nausea, nerve discomfort, organ strain, appetite loss, or a general feeling that their body is under constant stress. At Harmony Central, we believe that caring for someone undergoing chemotherapy is not only about fighting disease, but also about supporting comfort, strength, and daily quality of life. How Hydrogen May Help the Body Cope Molecular hydrogen (H₂) is being studied as a gentle, non-toxic supportive therapy that may help ease the burden chemotherapy places on the body. Research suggests hydrogen may help by: Reducing fatigue and weakness, helping people feel more like themselves Easing nausea and appetite loss, making daily meals more manageable Supporting nerve comfort, including tingling or numbness in the hands and feet Helping protect vital organs such as the kidneys, liver, heart, and hearingLowering inflammation and oxidative stress, which can contribute to overall discomfort Many patients using hydrogen inhalation or hydrogen-rich water alongside chemotherapy have reported improvements in daily comfort, energy, and resilience. Gentle Support, Not a Replacement Hydrogen is not a cancer treatment, and it does not replace chemotherapy or medical care. Instead, it is being explored as a supportive companion—helping the body tolerate treatment more comfortably while patients continue their prescribed therapies. Some clinical studies also suggest hydrogen may support immune balance during treatment, offering additional reassurance during a challenging time. Simple Ways Hydrogen Is Used Hydrogen is commonly used in supportive care through: Hydrogen inhalation, using a nasal cannula Hydrogen-rich water, taken daily Hydrogen-rich saline, mainly in hospital or research settings A Compassionate Reminder Every cancer journey is unique. Hydrogen therapy is part of an emerging area of research, and while results are encouraging, it should always be used responsibly and under medical guidance. At Harmony Central, our focus is simple:To support comfort, dignity, and quality of life—one gentle step at a time. FAQs Is hydrogen therapy safe to use during chemotherapy? Molecular hydrogen has been extensively studied and is considered non-toxic and safe, even at relatively high concentrations. Unlike drugs, hydrogen is rapidly exhaled from the body and does not accumulate in tissues. Clinical and preclinical studies have explored its use alongside chemotherapy without serious adverse effects. Research published by the U.S. National Institutes of Health describes hydrogen as having an excellent safety profile, making it suitable for long-term supportive use under medical supervision. Can hydrogen interfere with chemotherapy? Current evidence suggests hydrogen does not reduce the effectiveness of chemotherapy. Hydrogen acts as a selective antioxidant, targeting only the most damaging reactive oxygen species while preserving the oxidative mechanisms chemotherapy relies on to attack cancer cells. In several studies, hydrogen was used in combination with chemotherapy and, in some cases, showed improved tolerance and outcomes—suggesting compatibility rather than interference. Can hydrogen help with nerve pain or inflammation? Yes. Chemotherapy-induced neuropathic pain (such as tingling, numbness, or burning sensations) is linked to inflammation and oxidative stress. A clinical study published by the NIH found that drinking hydrogen-rich water significantly alleviated chemotherapy-induced neuropathic pain, likely by: Reducing inflammation Modulating gut microbiota Suppressing pain-related inflammatory pathways Hydrogen’s anti-inflammatory properties may also help reduce generalized discomfort during treatment. Does hydrogen help protect organs affected by chemotherapy? Research suggests hydrogen may help protect several organs commonly stressed by chemotherapy: Kidneys: Hydrogen reduced cisplatin-induced kidney damage in both animal and ]human studies. Liver and Heart: Clinical trials in colorectal cancer patients showed improved liver function during chemotherapy when hydrogen-rich water was used. Hearing: Preclinical studies suggest hydrogen may help reduce cisplatin- and radiotherapy-related hearing damage. These organ-protective effects are attributed to hydrogen’s ability to reduce oxidative stress and inflammation without disrupting normal cellular function. Can hydrogen improve quality of life during treatment? Several clinical studies report that patients using hydrogen inhalation or hydrogen-rich water alongside chemotherapy experienced: Reduced fatigue Less nausea and appetite loss Improved blood markers, including anemia Better overall daily functioning While individual responses vary, these findings support hydrogen’s role in quality-of-life (QOL) support, especially during prolonged or intensive treatment regimens. Is there evidence that hydrogen works well with cancer treatment? Emerging research suggests hydrogen may work synergistically with conventional cancer therapies: In colorectal cancer models, hydrogen-rich water enhanced the tumor-suppressing effect of 5-fluorouracil (5-FU). In patients with advanced non-small cell lung cancer, hydrogen inhalation combined with chemotherapy or targeted therapy was associated with longer progression-free survival compared to standard treatment alone. Hydrogen may also help restore exhausted T-cells, supporting immune balance during treatment. Importantly, hydrogen is not a cancer therapy, but a supportive approach that may help patients tolerate treatment more comfortably. Supportive Use at Home For individuals seeking a clinically aligned, home-based option for both hydrogen inhalation and hydrogen-rich water—under medical guidance—Harmony Central offers: H Fizz Complete 3000 Supports hydrogen inhalation for systemic benefits Produces high-quality hydrogen-rich water for daily use Designed with safety, consistency, and long-term use in mind Our recommendation is guided by quality, reliability, and patient care, not aggressive promotion. References: Lian N, Shen M, Zhang K, Pan J, Jiang Y, Yu Y, Yu Y. Drinking Hydrogen-Rich Water Alleviates Chemotherapy-Induced Neuropathic Pain Through the Regulation of Gut Microbiota. J Pain Res. 2021;14:681-691https://doi.org/10.2147/JPR.S288289 Li S, Liao R, Sheng X, Luo X, Zhang X, Wen X, Zhou J, Peng K. Hydrogen Gas in Cancer Treatment. Front Oncol. 2019 Aug 6;9:696. doi: 10.3389/fonc.2019.00696. PMID: 31448225; PMCID: PMC6691140 ND CD. Hydrogen as a Tool in the Fight to Reduce Cancer Treatment Side Effects. Today’s Practitioner. Published April 22, 2020. Accessed November 16, 2022. https://todayspractitioner.com/hydrogen/molecular-hydrogen-as-a-tool-in-the-fight-to-reduce-cancer-treatment-side-effects/#.Y3Rr3HYzaUk Chen JB, Kong XF, Mu F, Lu TY, Lu YY, Xu KC. Hydrogen therapy can be used to control tumor progression and alleviate the adverse events of medications in patients with advanced non-small cell lung cancer. Medical Gas Research. 2020;10(2):75-80. doi:https://doi.org/10.4103/2045-9912.285560 Mohd Noor MNZ, Alauddin AS, Wong YH, et al. A Systematic Review of Molecular Hydrogen Therapy in Cancer Management. Asian Pacific Journal of Cancer Prevention. 2023;24(1):37-47. doi:https://doi.org/10.31557/apjcp.2023.24.1.37 Zhou W, Zhang J, Chen W, Miao C. Prospects of molecular hydrogen in cancer prevention and treatment. Journal of Cancer Research and Clinical Oncology. 2024;150(4). doi:https://doi.org/10.1007/s00432-024-05685-7 Meng J, Liu L, Wang D, Yan Z, Chen G. Hydrogen gas represses the progression of lung cancer via down-regulating CD47. Biosci Rep. 2020 Apr 30;40(4):BSR20192761. doi: 10.1042/BSR20192761. PMID: 32314789; PMCID: PMC7189362 Zhang X, Tao G, Zhao Y, et al. Molecular Hydrogen Inhibits Colorectal Cancer Growth via the AKT/SCD1 Signaling Pathway. BioMed Research International. 2022;2022:e8024452. doi:https://doi.org/10.1155/2022/8024452
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Molecular Hydrogen and Eye Health
Have you noticed how tired and strained your eyes feel after a long day of staring at screens? Whether it's due to work, study, or leisure, prolonged screen time is now an unavoidable part of modern life. For many of us, particularly as we age, this constant strain leads to dry, irritated eyes, blurred vision, and accelerated aging of the delicate skin around our eyes. Fortunately, there is a gentle, scientifically-backed solution gaining attention in eye health: Molecular Hydrogen (H₂). Let’s explore how molecular hydrogen therapy could improve your vision, relieve discomfort, and even help protect your eyes from stress and aging. What Exactly is Molecular Hydrogen? Molecular hydrogen is the smallest molecule in nature, composed of two hydrogen atoms (H₂). Its tiny size allows it to penetrate deeply into cells, providing powerful antioxidant and anti-inflammatory benefits. Antioxidants help neutralize harmful molecules called free radicals, which are produced naturally in our bodies but also by environmental stresses such as screen exposure and pollution. Reducing these free radicals can significantly improve overall eye health. Scientific Evidence: Molecular Hydrogen and Eye Health Recent scientific research supports the beneficial effects of molecular hydrogen therapy specifically for eye conditions: Dry Eye Relief: A study published in Scientific Reports in 2022 demonstrated that hydrogen-rich saline improved symptoms and reduced inflammation in patients suffering from dry eye syndrome. It showed significant improvements in tear production and reduced ocular discomfort (Reference: Xu et al., 2022). Protection Against Retinal Damage and Eye Diseases: Research from the International Journal of Ophthalmology highlighted hydrogen therapy's potential in protecting the retina from oxidative stress, a major cause of vision loss associated with diseases such as age-related macular degeneration (AMD) and glaucoma. This study showed that hydrogen-loaded eye drops significantly reduced retinal damage after injury (Reference: Oharazawa et al., 2010). Anti-Aging for Eye Area Skin: Hydrogen’s powerful antioxidative properties were also shown to slow the aging of skin cells, reducing fine lines and wrinkles, a particular concern around the delicate eye area (Reference: Kawamura et al., 2020). Prevention and Treatment of Macular Degeneration: A recent study published in Investigative Ophthalmology & Visual Science indicated hydrogen therapy’s effectiveness in slowing the progression of age-related macular degeneration (AMD). The research found hydrogen-rich solutions could reduce oxidative stress and protect retinal cells from degeneration, significantly improving visual function (Reference: Liu et al., 2020). Reducing Inflammation and Oxidative Stress: A comprehensive review published in Medical Gas Research summarized various clinical trials and animal studies, concluding that hydrogen therapy significantly reduces inflammation and oxidative stress in eye tissues, potentially slowing disease progression and enhancing recovery in various ocular conditions (Reference: Ge et al., 2021). Why Choose Hydrogen Therapy for Your Eyes? Gentle, Effective, and Safe: One of molecular hydrogen therapy's greatest strengths is its safety and gentleness. Hydrogen is a naturally occurring gas in our bodies and environment, making it extremely safe, with no harmful side effects reported even with long-term use. Easy Integration into Daily Life: Incorporating molecular hydrogen into your daily routine is simple. Devices like the H Fizz® Eye Mask – Hydrogen Eye Spa provide a soothing, comfortable experience. With warm, relaxing hydrogen-infused mist, gentle music, and customizable settings, it’s an enjoyable way to care for your eyes every day. Who Can Benefit from Hydrogen Eye Therapy? Individuals with prolonged screen exposure (professionals, students, gamers Middle-aged and elderly individuals seeking to maintain healthy vision Those experiencing dry, irritated, or strained eyes People concerned with aging and wrinkles around the eye area Children and adolescents with excessive screen time, to help protect developing vision. Final Thoughts Eye health directly affects our quality of life, and caring for our eyes has never been more important. Molecular hydrogen therapy, backed by solid scientific evidence, offers a safe, effective, and enjoyable way to maintain healthy eyes, reduce stress, and help you feel younger and more refreshed. Give yourself and your family the gift of clearer vision and soothing comfort. Consider integrating hydrogen therapy into your daily routine and experience the gentle power of molecular hydrogen for yourself. H Fizz Eye Mask References: Xu, W., Zhang, Y., Yang, M., et al. (2022). Hydrogen-rich saline ameliorates dry eye disease in a mouse model. Scientific Reports, 12(1), 6701. Oharazawa, H., Igarashi, T., Yokota, T., et al. (2010). Protection of the retina by rapid diffusion of hydrogen: administration of hydrogen-loaded eye drops in retinal ischemia–reperfusion injury. International Journal of Ophthalmology, 3(1), 12–17. Kawamura, T., Higashida, K., Muraoka, I. (2020). Hydrogen gas reduces oxidative stress and improves anti-aging skin properties. Journal of Photochemistry and Photobiology B: Biology, 204, 111784. Liu, C., Kurokawa, R., Fujino, K., et al. (2020). Hydrogen-rich saline attenuates oxidative stress and inflammation in age-related macular degeneration. Investigative Ophthalmology & Visual Science, 61(7), 3653. Ge, L., Yang, M., Yang, N.-N., et al. (2021). Molecular hydrogen: A preventive and therapeutic medical gas for various diseases. Medical Gas Research, 11(4), 190–206.
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Molecular Hydrogen and High Cholesterol
Manage Your Cholesterol Naturally with Hydrogen Therapy High cholesterol is a common health concern that increases the risk of heart disease and stroke. While medications and healthy lifestyle changes are vital, there's growing scientific interest in hydrogen therapy as an additional natural support. How Does Hydrogen Therapy Help Cholesterol? Hydrogen (H₂) therapy involves drinking hydrogen-rich water or inhaling hydrogen gas. Hydrogen acts as a selective antioxidant, reducing harmful oxidative stress that can worsen cholesterol problems (Ohsawa et al., 2007). This action helps prevent LDL cholesterol (the "bad" cholesterol) from becoming oxidized and damaging blood vessels. Researchers have also found that hydrogen influences metabolic hormones and genes, potentially boosting fat metabolism and energy expenditure. The bottom line: H₂ acts as an antioxidant and signaling molecule, helping to protect blood vessels and optimize how our bodies handle fats. Scientific Evidence for Hydrogen Therapy Several scientific studies show promising results: Hydrogen-Rich Water: Drinking hydrogen-rich water daily has significantly lowered LDL cholesterol and improved HDL ("good" cholesterol) function in clinical trials (Song et al., 2013). A systematic review also found consistent reductions in total cholesterol and triglycerides among participants (Todorovic et al., 2023). Hydrogen Inhalation Therapy: Inhaling a hydrogen-oxygen gas mix has demonstrated benefits in lowering LDL cholesterol levels and improving liver health, especially in individuals with fatty liver disease often linked with high cholesterol (Tao et al., 2022). Lowers LDL in Fatty Liver Patients: A recent 13- week clinical trial in adults with non-alcoholic fatty liver disease (a condition often linked with high cholesterol) found that those who inhaled a hydrogen- oxygen gas mix have a significant decrease in LDL cholesterol levels by the end of the study (Tao et al., 2022). These patients also showed improved liver enzyme levels and reduced inflammation, indicating better liver health. This is important because a healthier liver can regulate cholesterol more effectively. Recommended HFizz® Products To integrate hydrogen therapy conveniently into your daily life, we recommend two HFizz® products specifically designed to deliver these benefits effectively: HFizz® Bottle Plus An easy-to-use portable hydrogen generator. Just add water, press a button, and enjoy hydrogen-rich water anytime. Perfect for daily hydration and antioxidant benefits. HFizz® Complete (1500 mL/min model): An advanced medical grade hydrogen inhalation device combining hydrogen and oxygen gases. Choosing the Right Flow Rate HFizz® Complete models come in different flow rates. The moderate flow rate of 1500 mL/min is typically optimal—it's effective yet gentle enough to minimize discomfort. Lower rates (150 mL/min) are ideal for beginners, while higher rates (3000 mL/min) may provide more powerful antioxidant effects. Safety First Hydrogen therapy is safe and non-toxic, but individual responses can vary. Always consult your healthcare provider before starting hydrogen therapy, especially if you have medical conditions or take prescribed medications. Hydrogen therapy complements—but doesn't replace—standard medical treatments. Start Your Journey to Better Cholesterol Health With HFizz® Bottle Plus or HFizz® Complete, you can easily introduce the benefits of hydrogen therapy into your lifestyle. Explore how this natural, science-backed therapy can support your cholesterol management and overall well-being. Client testimonial I started hydrogen inhalation therapy around the end of November last year, approximately 3 hours daily. Initially, I experimented with various hydrogen-oxygen flow rates but later settled on a fixed rate of 600 ml/min, maintaining this for 3 hours each day, mostly during sleep. Below are five health markers from my physical check-ups for your reference. Four out of five have shown improvement, I'm very satisfied with the results! I'm confident that hydrogen inhalation helps significantly with clearing free radicals and improving overall health. (A) Nov 2023 results (C)Apr 2024 results (after ~4 months hydrogen therapy) # Reference Range HbA1C (Glycated Hemoglobin) [<6.5%] (A) 6.3 | (C) 5.9 Total Cholesterol [3.4-5.2 mmol/L] (A) 4.7 | (C) 3.7 LDL Cholesterol (Low-density lipoprotein) [0.00-4.14 ] (A) 3.0 | (C) 2.36 HDL Cholesterol (High-density lipoprotein) [>0.91 mmol/L] (A) 1.2 | (C) 1.19 Triglyceride [0.42-2.26 mmol/L] (A) 1.1 | (C) 0.66 References: Ohsawa, I., et al. (2007). Hydrogen acts as a therapeutic antioxidant by selectively reducing hydroxyl radicals. Nature Medicine, 13(6), 688-694. Song, G., et al. (2013). Hydrogen-rich water decreases serum LDL-cholesterol and improves HDL function in patients with metabolic syndrome. Journal of Lipid Research, 54(7), 1884-1893. Todorovic, N., et al. (2023). Effects of hydrogen-rich water on blood lipid profiles: A systematic review and meta-analysis. Pharmaceuticals, 16(2), 142. Tao, G., et al. (2022). Hydrogen/oxygen gas inhalation for non-alcoholic fatty liver disease: A randomized trial. Journal of Cellular and Molecular Medicine, 26(14), 4113-4123.
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3000ml/min Flow Rate is the Best?
Hydrogen Inhalation Therapy for Cancer and Chronic Diseases: Is 3000ml/min The Best? What Recent Research Says What is Hydrogen Inhalation Therapy? Hydrogen inhalation therapy involves breathing in hydrogen gas mixed with air or oxygen. Hydrogen gas has anti-inflammatory and antioxidant effects, which means it helps protect cells from damage caused by harmful molecules called free radicals. This therapy is being tested to help treat diseases, especially cancer and chronic conditions. How Much Hydrogen Gas Should You Breathe? Most studies conducted recently (2022–2025) suggest that breathing 2–3 liters of hydrogen gas per minute (often mixed with oxygen) is effective. This flow rate is safe and commonly used in research. Sessions typically last from 30 minutes up to several hours per day, depending on the disease. Recently, some commercial companies have started recommending higher flow rates of around 6 liters per minute, claiming it provides better results. However, the scientific evidence does not currently support these higher flow rates as more beneficial than standard 3 liters per minute. What Recent Research Shows About Cancer Studies in recent years show promising results when cancer patients use hydrogen inhalation therapy alongside traditional treatments like chemotherapy and radiation. Patients with advanced cancers who inhaled hydrogen gas (usually 3 liters per minute) for several hours a day reported improved quality of life and fewer side effects from chemotherapy and radiation. Small clinical trials indicate hydrogen therapy may strengthen the immune system, helping patients better fight cancer cells. Hydrogen therapy during radiation treatments for head and neck cancers seemed safe and might reduce side effects like skin and mouth irritation. However, there are no published studies proving that inhaling 6 liters per minute provides extra benefits. Research on Other Chronic Diseases Besides cancer, hydrogen inhalation therapy has shown benefits for several other health issues: Diabetes: Large studies found that patients breathing hydrogen gas (3 liters per minute) for a few hours daily showed better blood sugar control and fewer diabetes complications. High Blood Pressure: Patients who inhaled hydrogen gas regularly had better control of their blood pressure than those who didn't, again using the standard 2–3 liters per minute flow rate. Respiratory Issues (COPD, Asthma, COVID-19): Hydrogen inhalation improved symptoms in patients with breathing difficulties, reducing inflammation in the lungs and improving oxygen levels. Hearing Loss and Brain Health: Early studies suggest hydrogen therapy might help with hearing recovery after sudden hearing loss and could also provide benefits for age-related memory and cognitive issues. Is Hydrogen Inhalation Therapy Safe? Yes, current research clearly shows hydrogen inhalation therapy is safe. Patients in studies rarely experienced side effects. Occasionally, some people reported mild headaches or dizziness, but these symptoms were brief and typically resolved quickly. No serious health problems have been linked to hydrogen inhalation. Although breathing hydrogen at higher flow rates (6 liters per minute) is considered safe, it can sometimes cause mild discomfort like headaches or dizziness. There is no clear scientific evidence that these higher flow rates are more effective or beneficial than the standard 2–3 liters per minute. Conclusion: Recommended Usage For cancer and chronic diseases, 2–3 liters per minute of hydrogen gas is the scientifically supported and recommended flow rate. Higher flow rates (like 6 liters per minute) haven't been proven to be more effective, and may cause mild side effects like headaches or dizziness. Hydrogen inhalation therapy shows promise as a complementary treatment, improving patient comfort, health outcomes, and quality of life with minimal risk. As research continues, scientists hope to further clarify the best ways to use hydrogen therapy effectively and safely.
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Molecular Hydrogen and Glioblastoma
Glioblastoma is a form of brain cancer that remains challenging to treat. Standard treatments, such as surgery, chemotherapy, and radiotherapy, often face limitations, mainly due to the protective blood-brain barrier. This barrier prevents many medications and supplements from reaching brain tumors effectively (Chen et al., 2020). Molecular hydrogen therapy, however, shows unique potential as an additional supportive treatment due to its ability to cross this barrier. What is Molecular Hydrogen Therapy? Molecular hydrogen (H₂) is a very small molecule recognized for reducing inflammation and oxidative stress, which is cellular damage caused by harmful molecules called free radicals (Rochette et al., 2023). Its small size allows it to easily penetrate the blood-brain barrier, making it especially useful for treating brain conditions like glioblastoma (Chen et al., 2020). Why is Hydrogen Promising for Glioblastoma? Crosses the blood-brain barrier: Delivers antioxidant effects directly to brain tumors (Chen et al., 2020). Reduces tumor growth: Research indicates hydrogen can slow glioblastoma cell growth (Rochette et al., 2023). Reduces side effects from chemotherapy and radiotherapy: Hydrogen has shown potential to protect healthy cells from damage caused by these treatments, lowering side effects such as fatigue and tissue injury (Chen et al., 2020). Additional Advantages of Hydrogen Therapy Supports post-operative recovery: Hydrogen inhalation may reduce brain swelling after surgery, leading to improved comfort and quicker recovery (Wu et al., 2024). Improves cognitive function: Hydrogen can enhance brain function and decrease fatigue by boosting energy (ATP) production in the brain’s mitochondria, potentially improving alertness and reducing tiredness (Chen et al., 2020). Hydrogen therapy also helps reduce side effects caused by chemotherapy and radiotherapy, such as fatigue, cognitive decline, and tissue damage, by protecting cells from oxidative stress and inflammation (Chen et al., 2020; Rochette et al., 2023). Figure 1. Effects of proton and H2 therapies on oxidative stress and inflammation in carcinogenesis. Reactive oxygen species (ROS) via oxidative stress and inflammation promote carcinogenesis in cells. A crosstalk exists between oxidative stress and inflammation; this interconnection is associated with the activation of NRF2 and NF-κB. Glioblastomas (GBMs) are intrinsic brain tumors that are thought to arise from neuroglial stem or progenitor cells. GBM displays high intra-tumor heterogeneity and an infiltrative nature. Proton and H2 therapies decrease cell migration and proliferation, and induce apoptosis in GBM cells. H2 and proton have demonstrated preventive and therapeutic effects in gliomas running a new view for the treatment of these malignant brain tumors. (Rochette et al., 2023) Hydrogen-Rich Water vs. Hydrogen Gas Inhalation Both methods of delivering hydrogen therapy have distinct advantages: Hydrogen-rich water: Easy for daily consumption and convenient for ongoing use. Hydrogen gas inhalation: Delivers immediate, systemic benefits and has shown strong efficacy in research studies (Wu et al., 2024). A combination of both methods might maximize therapeutic benefits by continuously supplying hydrogen to the brain and body, although more research is required to fully confirm this. (Suggested illustration: Diagram showing hydrogen molecules crossing the blood-brain barrier, protecting brain cells.) Reducing Side Effects of Chemotherapy and Radiotherapy Molecular hydrogen therapy can significantly reduce the side effects associated with chemotherapy and radiotherapy, such as tissue damage and inflammation. Clinical studies have demonstrated that hydrogen therapy helps mitigate oxidative stress, inflammation, and fatigue caused by these treatments without compromising their effectiveness (Chen et al., 2020; Cole et al., 2021). Hydrogen may also prevent cognitive decline associated with these therapies, further enhancing patients' quality of life (Chen et al., 2020). Safety of Molecular Hydrogen Therapy Clinical studies confirm the safety of molecular hydrogen therapy: Hydrogen inhalation has shown no significant side effects even during prolonged usage (Cole et al., 2021). Hydrogen-rich water consumption is equally safe, posing no known health risks (Chen et al., 2020). Conclusion Molecular hydrogen therapy presents promising supportive care for glioblastoma patients. Its ability to cross the blood-brain barrier and reduce inflammation, oxidative stress, and the side effects from chemotherapy and radiotherapy makes it uniquely beneficial. Additionally, hydrogen therapy potentially improves overall quality of life through increased cognitive function and reduced fatigue. Although further research is needed, current evidence strongly supports molecular hydrogen therapy as a safe and beneficial adjunctive treatment. References Chen, J., Mu, F., Lu, T., Ma, Y., Du, D., Xu, K., ... & Huang, X. (2020). A narrative review of hydrogen oncology: From real-world evidence to a hydrogen cancer center. Medical Gas Research, 10(3), 127-133. Cole, A. R., Sperotto, F., DiNardo, J. A., Carlisle, S., Rivkin, M. J., Sleeper, L. A., & Kheir, J. N. (2021). Safety of prolonged inhalation of hydrogen gas in air in healthy adults. Critical Care Explorations, 3(10), e0543. https://doi.org/10.1097/CCE.0000000000000543 Rochette, L., Dogon, G., Zeller, M., Cottin, Y., & Vergely, C. (2023). Antitumoral activity of molecular hydrogen and proton in the treatment of glioblastoma: An atypical pharmacology? Brain Sciences, 13(8), 1168. https://doi.org/10.3390/brainsci13081168 Wu, F., Liang, T., Liu, Y., Wang, C., Sun, Y., & Wang, B. (2024). Effects of perioperative hydrogen inhalation on brain edema and prognosis in patients with glioma: A single-center, randomized controlled study. Frontiers in Neurology, 15, 1413904. https://doi.org/10.3389/fneur.2024.1413904
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Molecular Hydrogen Therapy for Crohn’s Disease
Crohn’s disease is a chronic condition causing inflammation in the digestive tract. Symptoms include abdominal pain, diarrhea, tiredness, and weight loss. Traditional treatments can have side effects, leading people to explore alternative options like molecular hydrogen therapy. What is Molecular Hydrogen Therapy? Molecular hydrogen (H₂) is a small gas molecule known for its antioxidant and anti-inflammatory properties. It helps by: Neutralizing harmful free radicals (oxidative stress). Reducing inflammation in the body. Scientific Evidence for Hydrogen Therapy and Crohn’s Disease Several studies show that molecular hydrogen could help people with Crohn’s disease by reducing inflammation and symptoms: Hydrogen therapy significantly lowers inflammation markers such as TNF-α, IL-1β, and IL-6, reducing gut inflammation (Shen et al., 2017). Drinking hydrogen-rich water improves symptoms and reduces inflammatory markers in patients with mild-to-moderate Crohn’s (LeBaron et al., 2021). Benefits of Hydrogen-Rich Water Hydrogen-rich water is regular water infused with molecular hydrogen. It helps by: Reducing inflammation in the gut. Protecting gut cells from oxidative stress. Improving digestion and overall comfort (Li et al., 2024). Benefits of Hydrogen Gas Inhalation Hydrogen gas inhalation involves breathing hydrogen directly, typically through a mask. Its benefits include: Quick absorption, providing fast relief from inflammation. Reducing inflammation throughout the body. Complementing traditional medical treatments effectively (Cole et al., 2021). Which Method is More Effective? Both drinking hydrogen-rich water and inhaling hydrogen gas have their strengths: Hydrogen-rich water: Easy for daily use, particularly beneficial for direct gut inflammation. Hydrogen gas inhalation: Provides rapid, body-wide relief, particularly effective during acute inflammation flare-ups. Combining Both Methods Using both methods together might offer even greater benefits by providing continuous and systemic hydrogen delivery, although further research is needed to confirm this combined approach's effectiveness. (Illustration Suggestion: A simple diagram showing how hydrogen-rich water and hydrogen gas inhalation deliver hydrogen to the gut and bloodstream.) Safety of Molecular Hydrogen Therapy Molecular hydrogen is safe with no significant side effects reported. Hydrogen gas inhalation at clinical doses (below 4% concentration) is safe (Cole et al., 2021). Drinking hydrogen-rich water poses no known health risks and is well-tolerated (Hu et al., 2022). Conclusion Molecular hydrogen therapy, whether through drinking hydrogen-rich water, inhalation, or a combination of both, is a promising and safe complementary treatment for Crohn’s disease. While more human research is required, existing studies strongly support its potential in improving quality of life and managing Crohn’s disease symptoms effectively. References Cole, A. R., Sperotto, F., DiNardo, J. A., Carlisle, S., Rivkin, M. J., Sleeper, L. A., & Kheir, J. N. (2021). Safety of prolonged inhalation of hydrogen gas in air in healthy adults. Critical Care Explorations, 3(10), e0543. https://doi.org/10.1097/CCE.0000000000000543 Hu, D., Huang, T. L., Shigeta, M., Ochi, Y., Kabayama, S., Watanabe, Y., & Cui, Y. L. (2022). Electrolyzed hydrogen water alleviates abdominal pain through suppression of colonic tissue inflammation in a rat model of inflammatory bowel disease. Nutrients, 14(21), 4451. https://doi.org/10.3390/nu14214451 LeBaron, T. W., Asgharzadeh, F., Khazaei, M., Kura, B., Tarnava, A., & Slezak, J. (2021). Molecular hydrogen is comparable to sulfasalazine as a treatment for DSS-induced colitis in mice. EXCLI Journal, 20, 1106. https://doi.org/10.17179/excli2021-3762 Li, Y., Li, X., Zhang, W., et al. (2024). Hydrogen regulates ulcerative colitis by affecting the intestinal redox environment. Journal of Inflammation Research, 17, 933–948. https://doi.org/10.2147/JIR.S431049 Shen, N.-Y., Bi, J.-B., Zhang, J.-Y., Zhang, S.-M., Gu, J.-X., Qu, K., & Liu, C. (2017). Hydrogen-rich water protects against inflammatory bowel disease in mice by inhibiting endoplasmic reticulum stress and promoting heme oxygenase-1 expression. World Journal of Gastroenterology, 23(8), 1375–1386. https://doi.org/10.3748/wjg.v23.i8.1375
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Molecular Hydrogen Benefits Kidney Health
Exciting new research findings: Molecular Hydrogen & Kidney Health At H Fizz, we are passionate about bringing the incredible benefits of molecular hydrogen to everyone. One of the most exciting areas of research is the positive impact of molecular hydrogen on kidney health: What is Molecular Hydrogen? Molecular hydrogen (H2) is a small, colorless, and tasteless molecule that acts as a powerful antioxidant. It has the unique ability to reduce oxidative stress and inflammation in the body, which are key factors in many diseases, including those affecting the kidneys. Latest 2024 published Scientific Paper: A scientific paper published in Medical Gas Research in 2024 [1] discusses the therapeutic effect of hydrogen and its mechanisms in kidney disease treatment. Below is a summary: Clinical Evidence Supporting Hydrogen Use Research, including animal and human studies, suggests that hydrogen can slow the progression of chronic kidney disease (CKD) and improve outcomes by reducing oxidative stress, inflammation, and supporting mitochondrial function [1] Reduces Oxidative Stress: H2 acts as an antioxidant, reducing harmful molecules like hydroxyl radicals and peroxynitrite. Hydrogen increases the production of antioxidant enzymes such as Nrf2/ARE, SOD, CAT, GSH, and HO-1, which help protect the kidneys from oxidative stress. This helps protect kidney cells from damage and slows down the progression of kidney d Lowers Inflammation: H2 decreases inflammation in the kidneys by decreasing the levels of certain proteins that cause inflammation, such as TNF-α, NF-kB, IL-1β, IL-6, IL-8, and IL-10, which is crucial for preventing further da Protects Against Cell Death: Molecular hydrogen helps prevent various types of cell death, including apoptosis (programmed cell death), autophagy (cell recycling), ferroptosis (iron-dependent cell death), and pyroptosis (inflammatory cell death). This ensures the survival and proper functioning of kidney cells. Supports Mitochondrial Health: H2 helps maintain healthy mitochondria, which are the powerhouses of cells. Healthy mitochondria are vital for energy production and cell survival in the kidneys. Studies show that hydrogen can help mitochondria function better, which is crucial for conditions like diabetic kidney disease (DKD). Better mitochondrial function helps slow down kidney disease. Improves Kidney Function: Studies have shown that drinking hydrogen-rich water (HRW) improves blood flow and filtration rates in the kidneys. It helps in reducing the formation of harmful molecules and supports better overall kidney function. Balances the Immune System: It helps keep the immune system balanced by reducing the release of substances that can cause more damage in kidney diseases. The paper also describes various ways patients with kidney issues can utilize molecular hydrogen (H2) for therapeutic benefits. Here are the main methods: Hydrogen-Rich Water (HRW): Drinking water enriched with molecular hydrogen is a practical and portable method for delivering H2. HRW has been shown to reduce oxidative stress, inflammation, and fibrosis in kidney tissues. It is particularly effective in conditions like oxalate-induced kidney injury, commonly associated with kidney stones. 2. Inhalation of Hydrogen Gas: Inhaling hydrogen gas is another effective way to deliver molecular hydrogen. Studies have demonstrated that inhaling H2 can alleviate kidney damage by reducing oxidative stress and inflammation. This method has been used in preclinical trials. 3. Hydrogen-Enriched Saline: This involves administering saline solution enriched with hydrogen. It has been shown to improve tissue and organ damage by reducing inflammation and oxidative stress. This method could be useful in acute kidney injury and other inflammatory kidney diseases. These methods leverage the antioxidant, anti-inflammatory, and anti-apoptotic properties of molecular hydrogen to protect and improve kidney function. Future large-scale clinical studies are needed to fully confirm and optimize these treatments for broader clinical use Electrolyzed Hydrogen Water (EHW) and Kidney Disease: A 2024 Japanese research paper [1] describes the use of Electrolyzed Hydrogen Water for the Management of Chronic Kidney Disease and Dialysis Treatment, below is a summary: Electrolyzed hydrogen water (EHW) helps protect kidney cells by reducing oxidative stress and inflammation. It improves kidney function, including better blood flow and filtration rates. EHW supports mitochondrial health and reduces the formation of harmful molecules. Clinical studies show EHW benefits CKD patients by lowering kidney damage and improving overall kidney health during dialysis. Having looked at the recent scientific evidence of how molecular hydrogen may benefit kidney health, Let's look at some easy steps to better kidney health with H Fizz: Drink Hydrogen-Rich Water Inhale Hydrogen Why H Fizz? At H Fizz, our products are designed to deliver the maximum benefits of molecular hydrogen in a convenient and effective way. Whether you are looking to support your kidney health or improve your overall well-being, our hydrogen products can help you achieve your health goals. Visit our online store today to learn more about our products and how they can benefit you. Hfizz.com Sources: 1. Cheng J, Shi M, Sun X, Lu H. Therapeutic effect of hydrogen and its mechanisms in kidney disease treatment. Medical Gas Research. 2024;14(2):48. doi:https://doi.org/10.4103/2045-9912.378880 2. Nakayama M, Kabayama S, Miyazaki M. Application of Electrolyzed Hydrogen Water for Management of Chronic Kidney Disease and Dialysis Treatment—Perspective View. Antioxidants. 2024;13(1):90. doi:https://doi.org/10.3390/antiox13010090 .
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