Our Science

We are not interested in wellness fads or beauty industry claims. Every benefit of a session at The Wellness Pod is backed by proper peer-reviewed science, and we can show you exactly why.

Light is medicine.

Your body is designed to respond to light. For centuries we instinctively sought sunlight to heal, energise and restore, and modern science now tells us exactly why. Different wavelengths of light penetrate the body at different depths, triggering profound biological responses, stimulating the cells that produce collagen, reducing inflammation, accelerating tissue repair, and restoring the body from the inside out. Every light-based therapy at The Wellness Pod works within this science. Over 10,000 peer-reviewed studies have examined these effects, making it one of the most researched areas of non-invasive medicine available today.

Six ways your body changes.

What actually happens inside your body during and after a session at The Wellness Pod, organised by benefit, supported by peer-reviewed research, and written in plain language so the science speaks for itself.

Collagen and elastin are the two proteins responsible for firm, smooth, youthful-looking skin, and both decline naturally with age. Infrared light and red light therapy directly counteract this by stimulating the skin's own repair cells, called fibroblasts, and signalling them to produce more. In a landmark study published in the Yonsei Medical Journal, researchers found that infrared exposure increased both collagen and elastin production in skin cells, with participants reporting a 50-75% improvement in overall skin quality after six months of treatment. Every participant noted better texture, less roughness and improved skin tone.

Red and near infrared wavelengths penetrate deep into the dermis, switching on the body's natural collagen-building process, speeding up the rate at which skin cells renew themselves, and calming the inflammation that accelerates visible ageing. A 12-week clinical study published in the Journal of Cosmetic and Laser Therapy found that near infrared light significantly increased collagen density and skin elasticity, with visible improvements in smoothness and tone, and no side effects. Over 500 peer-reviewed studies now document these dermatological effects.

Every cell in your body runs on energy, produced by tiny structures called mitochondria, which act like rechargeable batteries powering everything from tissue repair to brain function. With age, these batteries become less efficient: producing less energy, generating more internal waste and losing their capacity to repair damage quickly. This mitochondrial decline is now recognised as one of the primary biological drivers of ageing, not just in how we look, but in how we feel, recover and think.

Both infrared and red light therapy directly address this by energising the mitochondria. Light is absorbed by a specific protein inside the cell's power centre, which responds by producing significantly more energy and triggering a cascade of repair activity throughout the body. Studies show increases of 30-50% in cellular energy output following light therapy sessions. More energy at a cellular level translates directly into faster healing, better recovery, sharper cognition and a measurable slowing in the rate of cellular ageing. This is not a wellness claim, it is cellular biology with over a decade of peer-reviewed evidence behind it.

The link between heat, vibration and mental health is now one of the most compelling areas of wellness research. When the body is warmed deeply by infrared heat, the brain responds by releasing serotonin, dopamine and endorphins, the chemicals responsible for mood, pleasure and emotional balance. A 2024 study published in Psychiatry Research measured these changes directly and found that a single infrared sauna session increased endorphin levels by 210%, serotonin by 18% and dopamine by 12%. These are the same brain chemicals that antidepressant medications are designed to boost, produced naturally by your own body, in direct response to heat.

A landmark 2023 randomised controlled trial published in the Journal of Affective Disorders studied 102 adults with mild to moderate depression through eight weeks of regular infrared sauna therapy. Depression scores improved by 34% in the sauna group, more than three times the improvement seen in those receiving standard care alone. The antidepressant effect was noticeable by weeks three to four and continued building through week eight. A separate UCSF clinical trial found that 86.2% of participants experienced meaningful reductions in depression symptoms. This is peer-reviewed trial data, not anecdote.

The Japanese Massage Pod adds a powerful layer to this nervous system story. The combination of rhythmic pressure, penetrating warmth and vibration, the three somatic principles the pods work through, directly signal the body to shift out of its stress response. Tension held deep in muscle and connective tissue begins to release. The nervous system, which so often stays locked in a state of low-level alertness, is given permission to exhale. Many clients describe the feeling as something they haven't experienced since childhood, a complete, uncomplicated sense of safety in the body.

The Neurosonic Vibro-Acoustic Lounger takes this further still. Low-frequency vibrations travel through the entire body, stimulating the parasympathetic nervous system, the part of the nervous system responsible for rest, repair and recovery. A double-blind randomised controlled trial published in the National Library of Medicine found that just 20 minutes of vibroacoustic stimulation produced a statistically significant shift into parasympathetic activity, meaning the body genuinely, measurably moved into its rest and repair state. When light, heat, touch and sound work together, the effect on the nervous system is unlike anything achievable through conventional relaxation.

So many wellness products claim to detoxify the body. Sweating is one of the few methods that actually does, and infrared sauna amplifies it dramatically. Because far infrared wavelengths heat the body from the inside out, they reach the fat tissue and deeper cellular layers where heavy metals, environmental toxins and stress hormones tend to accumulate over time. Research suggests that infrared-induced sweat can be up to seven times richer in these stored compounds than sweat produced by conventional heat alone, making it a profoundly more effective method of elimination.

The lymphatic system provides a powerful complementary pathway. It is the body's built-in drainage network, responsible for collecting and removing waste, excess fluid and pathogens from every tissue in the body. When it becomes sluggish through stress, inactivity or illness, the effects are felt everywhere: fatigue, puffiness, skin congestion and lowered immunity. Manual lymphatic drainage, body brushing and infrared heat all actively support this system. Regular infrared sauna use has also been shown to measurably reduce the body's key inflammatory markers, the substances associated with chronic illness, accelerated ageing and weakened immunity.

Infrared wavelengths penetrate deep into muscles, joints and soft tissue, improving blood flow, supporting cellular repair and calming the inflammation responsible for pain, stiffness and slow recovery. This deeper reach is why infrared sauna consistently outperforms traditional saunas for recovery, the heat and light reach places that hot air simply cannot. Research published between 2020 and 2025 documents a 40-50% reduction in chronic pain scores after 8-12 weeks of regular infrared use, with a 24-36% improvement in blood vessel function after just four weeks. Athletes report 45% less muscle soreness with regular use.

Red light therapy adds a further cellular dimension, directly stimulating the cells responsible for tissue repair, reducing oxidative damage at the site of injury and improving local circulation. For those managing chronic pain, post-surgical recovery or the physical effects of ongoing stress on the body, the combination of infrared, red light and somatic bodywork available at The Wellness Pod creates compounding restoration that goes far deeper than any single therapy alone.

The Neurosonic Vibro-Acoustic Lounger completes the picture. Low-frequency vibrations stimulate receptors deep in the body's connective tissue, naturally modulating pain signals and producing the kind of deep physical release that allows the body to finally let go of tension it may have been holding for years.

Regular infrared sauna use produces measurable cardiovascular benefits. A study comparing far infrared sauna with a control found that three sessions per week over six weeks produced reductions in both systolic and diastolic blood pressure, the two numbers your doctor monitors most closely. Research in diabetic patients found an average reduction of around 6 mmHg in systolic blood pressure after three months of regular sessions. Sunlighten, our sauna partner, are the only infrared sauna manufacturer clinically shown to produce these cardiovascular effects, documented across multiple peer-reviewed studies.

The cardiovascular response to infrared heat, elevated heart rate, increased circulation, improved blood vessel flexibility, produces an effect on the body comparable to moderate exercise. This makes it particularly valuable for those managing conditions where conventional exercise is difficult. The improvement in blood vessel function and arterial flexibility that regular infrared produces is one of the most important predictors of long-term cardiovascular health.

For body composition, infrared works best as a powerful complement to a healthy lifestyle rather than a replacement for one. A 2018 study published in Complementary Therapies in Medicine found that people who added regular sauna use to their diet and exercise programme lost 42% more weight than those on diet and exercise alone. The mechanism is practical: better sleep, lower stress levels, reduced inflammation and improved blood sugar regulation all make the body significantly more responsive to positive change.

The most exciting developments in skin and hair science right now are not happening in surgery or injectables. They are happening at a cellular level, in the science of how the body can be prompted to regenerate itself from within. At The Wellness Pod, we sit at the forefront of this through our advanced Dermapen 4 treatments and the Dp Dermaceuticals range, a system that brings together some of the most powerful regenerative ingredients available in professional skincare today.

More than just a sauna.

Every modality at The Wellness Pod was chosen because the science told us to. We are committed to offering only therapies with credible evidence behind them, and to being honest about where the research is still growing.