I have been exploring the idea that ozone therapy may influence the body’s repair signals, sometimes called growth factors. This is especially interesting to me when it comes to skin, because healthy repair processes are part of how skin maintains its strength, bounce, and overall appearance.
One question I find even more fascinating is whether ozone therapy could also influence growth hormone. There is still a great deal to learn, and the research is not definitive. But before we explore that possibility, it helps to understand why healthy growth hormone levels matter in the first place.
the importance of growth hormone
Growth hormone—often called GH or HGH—is made by a small gland at the base of the brain called the pituitary gland. We usually associate it with childhood growth, but it continues to play an important role throughout adulthood.
In adults, growth hormone helps support the way the body uses energy, maintains muscle and bone, and repairs tissue. The goal is not to chase unnaturally high levels. It is to support healthy, balanced levels as part of overall wellbeing and healthy aging.
Body composition
Healthy growth hormone activity helps the body maintain lean tissue, including muscle, while supporting the normal use of stored fat for energy. In people with a true growth hormone deficiency, medically supervised replacement therapy can improve lean body mass and reduce fat mass over time.
Growth hormone is also involved in protein building and repair, which is one reason it is connected to muscle maintenance and recovery.
Bone strength
Growth hormone helps the body use calcium and supports the ongoing renewal of bone tissue. In adults who are genuinely deficient, treatment has been linked with gradual improvements in bone mineral density.
Strong bones are an important part of staying active, mobile, and resilient as we age.
Energy and exercise
People treated for diagnosed growth hormone deficiency often report more energy, less fatigue, and improved exercise capacity. At the same time, it is important to be realistic: more growth hormone does not automatically translate into greater athletic performance for otherwise healthy people.
It is better understood as one piece of a much bigger picture that includes sleep, nourishment, movement, stress levels, and overall health.
Heart health and metabolism
In people with true deficiency, growth hormone replacement has been associated with improvements in some markers related to cholesterol, circulation, and how the body handles fats and sugars.
These benefits relate to medically diagnosed deficiency and medically supervised treatment—not to using growth hormone casually or as an anti-aging shortcut.
Skin, repair, and wellbeing
Growth hormone is involved in collagen production and tissue repair. Collagen helps give skin structure and elasticity, while normal repair processes help the body recover from everyday wear and tear. People with diagnosed deficiency who receive appropriate treatment may also report improvements in quality of life, including mood, energy, and general wellbeing.
Evidence from GH-deficient patients (before/after treatment)
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A study of 77 GH-deficient (GHD) children found their skin was measurably thinner, stiffer, and less elastic than non-GHD children. After one year of GH treatment, dermal thickness improved and skin stiffness significantly decreased — meaning the skin became measurably less stiff, i.e. softer — though elasticity itself wasn’t significantly changed in that particular study.
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In adults with GHD, sebum content and skin hydration are reduced (contributing to dry, less supple skin), and GH replacement therapy has been shown to increase forehead sebum content, one contributor to a softer skin feel.
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Osteoporosis patients with abnormally thin skin who received prolonged hGH treatment showed their skin’s collagen bundles and elastic fibers shift back toward a normal, more youthful configuration.
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A dose-response study confirmed GH directly increases skin collagen content and mechanical strength in a dose-dependent way
why ozone entered the conversation
Ozone therapy is sometimes described as a controlled oxidative signal. In simple terms, the theory is that a carefully administered dose may prompt the body to switch on some of its own protective and repair-related responses.
That is very different from breathing ozone pollution, which can irritate and harm the lungs. Therapeutic ozone is discussed as a medically administered treatment and remains an area where evidence, regulation, and clinical practice vary widely.
the connection researchers are exploring
1. Ozone can act like a short-term stress signal. The body responds to many brief challenges—such as exercise, fasting, temperature changes, or inflammation—by activating communication systems between the brain, hormones, nerves, and immune cells. This is sometimes called a hormetic response: a small stressor that may trigger a protective response.
2. Growth hormone can rise during certain short-term physical stresses. Intense exercise is a familiar example. The brain receives signals that the body is working hard, and this can contribute to a temporary release of growth hormone.
Scientists have studied how ozone exposure affects stress-signalling pathways. That research raises an interesting question: could therapeutic ozone influence some of the same communication pathways involved in exercise-related hormone responses? At this point, it is a question—not a proven outcome.
hypothesis
Here is the idea in everyday language: the body has a built-in communication network linking the nervous system, hormones, and repair processes. Exercise can briefly activate this network and is known to influence growth hormone release.
Ozone therapy may create its own short-lived signal through that same larger network. Because of this overlap, it is possible that ozone could influence a brief growth-hormone response in some circumstances. But no study has directly proven that therapeutic ozone causes a meaningful growth-hormone increase in people.
Ozone researchers often discuss molecules created during treatment—such as hydrogen peroxide and lipid oxidation products—as temporary chemical messengers. The proposed role of these messengers is to signal the body’s antioxidant, circulation, immune, and repair systems. Nitric oxide, another important signalling molecule in the body, is also discussed in this context.
Another interesting observation reported by Dr. Velio Bocci was that many patients described feeling more energetic or generally well during ozone therapy. He suggested several possible explanations, including changes in circulation, oxygen use, stress hormones, and feel-good brain chemicals such as serotonin and endorphins. These observations are interesting, but they do not prove a specific hormone effect.
Velio Bocci was an Italian physician and researcher who spent decades studying ozone therapy and writing about its proposed mechanisms. His work helped shape many of the questions still being explored today.
doctor bocci’s ozone work
Dr. Velio Bocci began exploring ozone therapy in the late 1980s while working in physiology at the University of Siena in Italy. An early psoriasis project did not produce the results he hoped for, but it led him to investigate whether treatment methods and dosing approaches could make a difference.
He continued studying ozone therapy through the 1990s and beyond, combining laboratory questions with clinical observations. Over time, he became Emeritus Professor at the University of Siena and one of the best-known figures in ozone-therapy research.
his clinical experience
Dr. Bocci reported that his university hospital team carried out thousands of ozone-related treatment sessions over many years, including work involving age-related macular degeneration, musculoskeletal concerns, chronic wounds, and back pain.
Experience alone does not establish that a treatment works for every condition. However, his long involvement helps explain why he remained deeply interested in the ways ozone might interact with circulation, inflammation, immune activity, and the body’s repair signals.
his writing and recognition
Across his career, Dr. Bocci wrote hundreds of publications and monographs, as well as books focused on oxygen-ozone therapy. He was also involved in early international organizations devoted to the study of ozone therapy.
His work is part of the history of this field, while the medical community continues to debate where ozone therapy may or may not fit within evidence-based care.
growth factors and ozone
Growth factors are natural chemical messengers the body uses to guide repair. You can think of them as small notes passed between cells: they help signal when tissue needs to rebuild, when blood supply needs support, and when the body should begin a repair process.
Why this matters for skin: Healthy skin depends on normal collagen production, circulation, and tissue renewal. Those processes involve many different growth factors and cell signals working together.
Some integrative clinics and ozone-therapy practitioners describe ozone as a treatment that may support the body’s own repair environment. Their explanation is that controlled oxidative signalling may encourage antioxidant activity, circulation, and cellular communication.
That is a proposed mechanism, not a guarantee. More high-quality human research is needed to understand whether ozone therapy reliably changes particular growth factors, including IGF-1, and whether any changes lead to meaningful clinical benefits.
ozone and the vagus nerve
The vagus nerve is one of the body’s main communication pathways between the brain and many internal organs. It is often linked with the “rest and digest” side of the nervous system—the part that helps the body settle, recover, digest, and regulate.
Some research has suggested that ozone therapy may affect the balance between the body’s stress response and its calming, recovery-focused nervous-system response. This does not mean ozone directly stimulates the vagus nerve in the way a device might. It simply suggests that the treatment may have broader effects on the body’s automatic nervous-system balance.
Other research has explored how vagus-nerve activity can influence the body’s response to oxidative stress, particularly in the liver. This is another reminder that the nervous system, metabolism, inflammation, and repair processes are closely connected.
bringing it back to growth hormone
When we put these pieces together, the idea becomes easier to understand: ozone therapy may create a temporary signal in the body; the nervous system and hormones respond to signals; and growth hormone is one of the hormones that can respond to certain short-term physical stresses, including exercise.
That makes the question worth exploring. But it is important to say clearly that no source has directly shown that ozone therapy activates the vagus nerve and produces a growth-hormone increase in people. The connection is a hypothesis based on separate areas of research, not a proven conclusion.
does the body create its own ozone?
Not in the way an ozone machine makes ozone in the air. The body does not normally produce ozone as a circulating wellness substance.
However, there is some experimental evidence that certain immune cells may create extremely tiny, very short-lived ozone-like oxidants while fighting microbes. This may be part of the body’s powerful local immune response, sometimes called an oxidative burst.
I find this fascinating because it shows how complex and intelligent the body’s chemistry can be. There is still so much to learn about ozone, oxidative signalling, and the many ways the body protects and repairs itself.
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