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The future of recovery,brought to Marlow: hyperbaric oxygen therapy studio in Marlow

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What is Hyperbaric Oxygen Therapy?

Hyperbaric oxygen therapy is a wellness therapy that utilises a combination of

The Pressure

Inside the chamber, pressure rises to 1.5 ATA, roughly what you would feel five metres below the sea surface. That pressure is the working part. At sea level, the haemoglobin in your red blood cells already runs close to fully saturated, so breathing deeper adds almost nothing. Pressure is what lifts that ceiling, increasing actual oxygen uptake as oxygen floods your blood, plasma and cerebrospinal fluid.

The Oxygen

Through the mask you breathe around 96% oxygen, against the 21% in ordinary air. Under pressure it dissolves into the blood plasma itself in quantities everyday breathing never reaches, and on into the cerebrospinal fluid and the fluid between your cells. Dissolved oxygen travels where red blood cells struggle to go: into swollen or poorly supplied tissue, exactly the places that usually receive the least.

The Effect

That surplus feeds the mitochondria that power your cells. Research has measured inflammation settling, circulating stem cells rising and new blood vessels forming: fresh supply lines into tissue that needs them. Nothing is asked of you: 60 minutes at full pressure, lying back, breathing. Those reported effects come from repeated exposure, not one-off visits, which is why we run it as structured protocols.

What changes, session on session.

Different people come for different things. Here is what to expect.

  1. A holographic full-body scan projected above a wristband, with readouts for circulation, heart rate, oxygen level and body temperature
    Sessions 1-5

    An opening dance

    • Energy levels become consistent throughout the day.
    • Stiff joints and stiff mornings start closing shop.
    • The early days of post-op recovery become noticeably easier.
    • DOMS (delayed onset muscle soreness) is a thing of the past.
    • Swelling starts dropping away early: puffy joints settle, recent knocks calm down, and the inflammation behind them eases off.
    • Hungover? Jet-lagged? Not anymore.
    • Many people notice their brain fog begin to lift as focus starts to sharpen.
  2. A woman working through core training on a mat in a low-lit gym
    Sessions 5-15

    The rhythm holds

    • Fresh wounds are healing at full throttle.
    • Bruises fade in days, not weeks.
    • Sleep becomes something you look forward to, finally rejuvenating and fulfilling.
    • Tight muscles and stiff joints are near-on defeated: aches ease and joints loosen. Many people notice decades-old stiffness vanish, while others feel it winding away.
    • More oxygen means more energy, which means more healing and rebuilding. Everywhere.
    • Hair and nails start getting their strength back.
    • Mood lifts and steadies: peaceful mornings, more patience, calmer evenings.
  3. The hyperbaric chamber at the Green Oxygen Hyperbarics studio in Marlow, lit in blue and purple
    Sessions 15-40

    Lasting changes

    • Stem cells start circulating and rebuilding.
    • Angiogenesis - the formation of new blood vessels, strengthening muscles and stimulating organic growth.
    • Wound healing hits its stride: post-op tissue, nerve and muscle rebuild cleanly, fed by a full oxygen supply.
    • In the gym the change is now undeniable: lifting stronger, working harder, bouncing back easier than ever.
    • A back that has run your life for years stops running it, as bone and spinal discs, the slowest tissue in your body, finally get fed.
    • Skin glows and looks fresher with collagen production in full swing.
    • An easier time through the menopause years settles in.
  4. A DNA double helix rendered in gold and blue against a dark hexagonal background
    Sessions 40-80

    Research territory

    • Post-op was a piece of cake.
    • Testosterone is naturally uplifted and starts to hold at its optimal level as efficient, home-grown hormone production takes place.
    • Stamina climbs and cardio feels years younger.
    • Stiff joints and tight muscles stay gone for months after your last session.
    • Brain fog becomes history: your brain claims a fifth of every breath you take, and by now it has been running on a surplus for weeks. Clarity and focus hold all day.
    • Consistent gym users see extraordinary results, which is exactly why elite athletes lean on it daily as their recovery tool.
    • Old injuries that never quite healed finally do.
  5. A climber standing with arms raised on a snowy summit above a wide range of misted peaks
    Sessions 80-100+

    The peak of HBOT

    • Research suggests DNA damage repair and telomere lengthening (anti-ageing) as worn-out cells get rebuilt and replaced fresh.
    • Hormone production is not artificial, but at your own optimal peak. Men and women.
    • Studies repeatedly show stem cell levels multiplying. Now your body's master repair cells are rebuilding, maintaining and growing everything around your body.
    • Older scars may soften and feel more natural again.
    • Old fractures and worn joints get the ending they never had: bone rebuilds on a timescale only a run this long can reach.
    • Organs, immunity and circulation all run younger.

One chamber. Countless reasons guests choose it.

Tap any area below to read the depth: real benefits, what guests notice, and the research behind why HBOT works the way it does.

Recovery, endurance and the training edge.

Faster recovery between hard sessions, soreness gone before you leave the studio, and a pace that holds where it used to fade. Rowers, rugby players, footballers, cyclists, strongmen and triathletes use HBOT here for exactly that. Guests tell us a hard day no longer costs them the next one, and that after many sessions (40+) the same pace feels easier. The research below measured it: higher power output after a single session close to our pressure, and higher maximum oxygen uptake after forty.

Read the full Recovery & Performance guide →
Faster Muscle Recovery

The deep ache after a heavy session is the first thing to go, and it goes fast. Most guests walk out with the soreness already gone and legs ready for the next session. Each hour in the chamber saturates working muscle with oxygen, clearing the by-products of hard work and rebuilding muscle faster, with less tightness.

Oxygen Efficiency

Guests who complete many sessions tell us hard efforts feel easier at the same pace: the fade arrives later in interval sets, matches and long rows. Research has measured maximum oxygen uptake and peak power rising in trained athletes after forty sessions.

Inflammation Response

Legs still heavy two days after a contact session, the load that stacks up in a big week. Guests carrying high training loads report swelling settling between training days instead of building up. Research has measured blood markers of muscle damage and oxidative stress recovering significantly faster with HBOT than with ordinary rest.

Tendon & Ligament Repair

The strain that has hung around for months, the one you train around. Guests report it finally settling and staying settled after many sessions (40+). Tendons and ligaments have a thin blood supply and rebuild slowly. Dissolved oxygen reaches them where red blood cells struggle to, and it needs delivering session after session, not once.

Recovery Edge

Rugby internationals, Olympic squads, NFL teams and Premier League footballers use HBOT as part of their recovery. Guests here do the same through their busiest weeks. The knocks and heavy weeks stop getting ahead of the recovery, guests tell us, and the fourth heavy week feels like the first.

What the research explores
  • A 2023 randomised crossover trial in Research Quarterly for Exercise and Sport (Mihailovic et al.) had twelve trained cyclists complete a fatiguing ride, then gave them a single 75-minute session at 1.3 ATA on 97% oxygen, close to our own pressure. In the five-minute maximal effort that followed they produced 314.5 watts against 307.5 after ordinary rest. Their heart-rate variability recovered faster, the sign of the nervous system settling back after effort. They rated the effort easier, and the next day they reported themselves better recovered.
  • A 2024 controlled crossover study in the Journal of Exercise Science & Fitness (Qu et al.) had twelve competitive male athletes cycle hard for 90 minutes, then spend 60 minutes at 1.25 ATA on 26 to 28% oxygen, far below the 96% we run. One session lowered perceived fatigue and brought heart rate and blood flow back faster. Six sessions did what one could not: creatine kinase and lactate, the blood markers of muscle damage and fatigue, plus an oxidative-stress enzyme, recovered significantly faster than control, and blood urea and a second oxidative-stress marker were still ahead 24 hours after the final session.
  • A 2022 pilot study in The Journal of Sports Medicine and Physical Fitness (Nisa et al.) measured fifteen healthy adults through a single 70-minute session at 1.4 ATA, on well under half the oxygen concentration we run. Blood speed through the capillaries at the fingertip rose from 92 to 126 micrometres per second, the volume of blood moving through them rose by around 70%, and heart rate came down. Nothing moved under normal pressure.
  • A 2022 double-blind, sham-controlled trial in Sports Medicine - Open (Hadanny et al.) ran thirty-one trained athletes aged 40 to 50 through forty sessions of one hour, five a week across two months, the same session count and pace as our flagship protocol. Maximum oxygen uptake rose 4.3%, peak power 4.9% and oxygen uptake at the anaerobic threshold 10.9%. Muscle samples taken at the end showed mitochondrial mass up 17%, with the mitochondria, the parts of the muscle cell that turn oxygen into fuel, working at a higher maximum rate.

HBOT is a complementary wellness therapy. Results vary, and we make no medical claims.

A steadier baseline and the long game of feeling well.

Most of our guests are not athletes or in the middle of an injury. They are busy people who tell us the same things: the week's aches settle sooner, the head stays clear through demanding days, and after many sessions (40+) an ordinary Tuesday feels better than it used to. A few quiet hours a week, and how you feel day to day improves.

Read the full Everyday Wellness guide →
Circulation & Capillary Growth

Cold hands and feet warm up, and cuts and scrapes close faster: guests notice both within their first few weeks of sessions. Repeated sessions grow new capillaries, so more blood and more oxygen reach tissue that was running short.

Healthy Ageing

Collagen, cellular repair and tissue turnover all run on oxygen, and they are the processes that decide how the body ages, recovers and rebuilds over the decades. The studies below measured telomeres, repair cells and stamina after long runs of sessions.

Cellular Renewal

Telomere length and the clearing of worn-out cells are the two markers longevity science watches most closely. After sixty sessions the study below measured longer telomeres and fewer senescent cells in healthy adults.

Stress & Mood

Guests walk out lighter than they walked in, with the week's tension noticeably off them, from the first session. With repeated sessions that becomes the normal state, and for many it is the reason they keep coming.

Immune Resilience

White blood cells do their work in oxygen. Guests who run a protocol through winter tell us they come through the demanding months steadier.

What the research explores
  • A 2020 study in Aging (Hachmo et al.) measured longer telomeres and fewer senescent cells in healthy older adults after 60 HBOT sessions, a landmark result in longevity research.
  • A 2024 randomised trial in BMC Geriatrics (Hadanny et al.) gave sixty-three healthy but inactive adults over 64 a run of sixty sessions. Their aerobic capacity rose by around a tenth while the untreated group's drifted down, and the oxygen they could draw on before tiring climbed by a fifth.
  • A 2006 study in the American Journal of Physiology (Thom et al.) counted the repair cells circulating in people's blood: roughly double after a single session, and around eight times the starting level across a run of twenty.

HBOT is a complementary wellness therapy. Results vary, and we make no medical claims.

Supporting the body's own repair.

Guests come to us after an operation or with an injury that has dragged on, and after a run of sessions they report the same things: swelling that settles sooner, a scar line that calms, and follow-up appointments met ahead of where they expected. Recovery is where HBOT has its longest-studied role, and where the change is easiest to see.

Read the full Injury & Recovery guide →
Injury Support

A swollen, angry area is the hardest place in the body to feed, because the swelling presses the small vessels shut. Oxygen at pressure dissolves into the plasma and gets in regardless, feeding the repair exactly where it is needed most. Guests report the swelling going down within their first few sessions.

After an Operation

The first four weeks after surgery decide much of the result, and this is where HBOT is at its most impressive. Swelling drops away, bruising clears in days, the wound closes cleanly and the scar line calms as it forms. Guests tell us it was the easiest recovery they have had. We have post-surgery protocols sized to the length of the recovery.

Discomfort & Tension

HBOT's anti-inflammatory effect is one of the most extensively measured in the field. Long-standing tension and aching joints are among the most common reasons guests come to us, and after many sessions (40+) most describe the ache gone and the stiffness with it.

New Blood Vessels

Repeated sessions prompt the body to grow fresh capillaries through tissue the circulation normally struggles to reach. It is why the injury you had given up on finishes healing, given enough sessions.

Tissue Rebuilt

Fibroblasts, the cells that make collagen, do their work in oxygen. Across a protocol HBOT delivers it to the tendons, ligaments and joints that take a beating day to day, and guests feel the difference in how they hold up.

What the research explores
  • A 2025 randomised trial in Wounds (Uniyal et al.) ran daily sessions at 1.5 to 2 ATA, our own pressure band, for sixty-four adults recovering from skin-graft surgery. Their donor sites closed nearly three days sooner, and more of the graft took.
  • A 1996 trial in The Journal of Trauma (Bouachour et al.) remains one of the cleanest tests ever run, with neither patients nor staff knowing who got what: thirty-six adults recovering from limb surgery, half on oxygen and half in a dummy chamber. Seventeen of eighteen healed completely on oxygen, against ten of eighteen without.
  • A 2026 analysis in the Journal of Wound Care (He et al.) pooled thirteen randomised trials covering 1,226 surgical patients and found oxygen sessions raised tissue survival and the oxygen reaching healing skin, with swelling settling and healthy colour returning several days earlier.

Ask your surgeon about timing before reserving a post-operative protocol.

Scars, surgery recovery and healthier skin.

Guests who use HBOT around a procedure tell us the same things: the swelling settles sooner, the bruising clears, and the scar line calms and flattens instead of staying red and raised. We have had guests whose aesthetic surgeons recommended HBOT and told them the same thing: do as many sessions as you can, before and after.

Read the full Skin & Aesthetics guide →
New Scars & Post-Op Scars

A new scar is where HBOT shows the most. Guests using it through the weeks a scar is forming describe a scar line that settles flat, pale and calm instead of thick and red. The cells laying down new tissue need oxygen, and repeated sessions keep them supplied. Older scars keep remodelling for years, so they improve too, more slowly.

Before Surgery

Sessions in the weeks before an operation build up the circulation in the tissue the surgeon will be working on, so you go in stronger and recover from a better starting point. Even a short run helps: women given one to three sessions in the days before a tummy tuck had complications at 8.4% against 32.6%, and not one raised scar. We have pre-surgery protocols for this.

After Surgery

The first weeks after a procedure decide much of the result, so that is where the sessions go, heaviest in the first week when swelling peaks. Guests report the swollen, bruised stage passing sooner and follow-up appointments met ahead of where they expected. We have post-surgery protocols sized to short and long recoveries.

Skin Itself

After many sessions (40+) guests describe skin that looks firmer, brighter and more even in tone. Collagen is built from underneath by cells that cannot make it without oxygen. The skin research below ran sixty sessions with biopsies before and after: collagen density up, elastic fibres more than doubled in length, blood vessels feeding the skin up 39%.

What the research explores
  • A 2021 study in Aging (Hachmo et al.) took skin biopsies from thirteen healthy men in their late sixties before and after sixty 90-minute sessions, five a week for three months. Collagen density rose and elastic fibres more than doubled in length, the blood vessels feeding the skin increased by 39%, and the count of worn-out cells (the ones that have stopped dividing) fell.
  • A 2019 study in Plastic and Reconstructive Surgery Global Open (Friedman et al.) looked back at 356 women who had a tummy tuck, 83 of whom had between one and three 90-minute sessions in the days before surgery, the last on the day before. Complications ran at 8.4% against 32.6%, and infection, skin necrosis (tissue at the wound edge dying back) and raised scarring were absent from the oxygen group, against 12.1%, 6.2% and 7.3% without it.
  • A 2021 randomised trial in the Journal of Cosmetic Dermatology (Fan et al.) split 34 people who had just had a hair transplant into two groups; the oxygen group had seven daily 60-minute sessions starting straight after surgery. Early shedding of the transplanted hairs fell from 69.1% to 27.6%, inflamed follicles and itching from 35.3% to 11.8%, and early satisfaction rose from 52.9% to 88.2%.
  • A 2018 hospital study of 240 people in the Journal of Zhejiang University Science B (Song et al.) added daily 60-minute oxygen sessions for two weeks after surgery and radiotherapy to remove keloid (thick, raised) scars. Recurrence fell to 5.97% against 14.15%, and satisfaction with the result ran at 93.28% in the oxygen group against 81.13% without it.

Talk to your aesthetic practitioner about timing before booking a protocol around a procedure.

Stiff joints, slow bones and moving freely again.

Bone, cartilage and tendon are among the slowest tissues in the body to come right, because they are fed by the thinnest blood supply. Pressure changes what gets through to them. Guests with a knee or shoulder that never settled tell us that after 40+ sessions the stiff mornings are gone, the joint moves through its full range, and decades-old stiffness has loosened off.

Read the full Aches, Mobility & Joints guide →
Bone Rebuilt

Osteoblasts, the cells that lay down new bone, multiply and mature in raised oxygen. Guests recovering from a fracture or a bone procedure use HBOT through the weeks that work is happening, and report follow-ups met ahead of where they expected.

Cartilage & Joints

Cartilage has no blood supply of its own; it lives on the fluid around it. HBOT raises the oxygen in that fluid, and guests describe joints that move without the grind and the morning stiffness gone.

Tendons & Ligaments

The tissues that hold everything together take the biggest beating and heal the slowest. Dissolved oxygen reaches them where red blood cells cannot, and guests feel a long-standing strain finally settle.

After Knee, Hip or Shoulder Surgery

Guests recovering from joint surgery build HBOT into their rehab: an hour that asks nothing of the joint while oxygen reaches the tissue around it. In the trial below, two sessions at 1.6 ATA brought quadriceps strength back faster with less swelling after knee replacement.

Swelling & Inflammation

Inflammatory markers fell by a third across sixty sessions in the study below, and kept falling. Guests notice it as puffy joints settling and recent knocks calming within their first few sessions.

What the research explores
  • A 2025 randomised trial in Scientific Reports (Zhang et al.) ran two sessions at 1.6 ATA, close to our own pressure, for eighty knee-replacement patients. Quadriceps strength came back faster, the limb was less swollen, and inflammatory markers and pain scores both sat lower than on ordinary oxygen.
  • A 2018 study in the Journal of Enzyme Inhibition and Medicinal Chemistry (Bosco et al.) followed twenty-three men through a sixty-session run, sampling their blood five times along the way. TNF-alpha, a main driver of inflammation, fell by a third, and it had fallen further by session sixty than it had by session fifteen.
  • A 2021 systematic review in Biomolecules (De Wolde et al.) gathered the human studies measuring blood markers after repeated sessions and reported pro-inflammatory proteins falling while growth factors rose: the chemistry behind stiffness settling and tissue rebuilding.

Ask your surgeon or physio about timing before adding HBOT to a rehab plan.

Focus, memory and a sharper mind.

Guests notice the head first: thinking that holds through a demanding day, decisions that come quicker, a mind that feels less crowded, often from the first session. No tissue runs on more oxygen than the brain, which takes roughly 20% of the body's supply, so it registers a raised one before anywhere else. Cognition is the change our guests mention most, and the studies below measured it.

Read the full Focus & Clarity guide →
Mental Clarity & Focus

Sharper thinking, better concentration and a quieter mind: the change guests describe most often, for many from the very first session, and holding all day with repeated sessions.

Memory

Guests describe names, dates and the detail of a conversation coming back more easily. In the trial below, healthy adults on oxygen recalled 11.3 words against 9.0 after deliberate interference: a large, measured gain.

Neuroplasticity

Learning a new skill, adapting to a change, getting back something you had lost: all of it depends on neuroplasticity, and neuroplasticity runs on oxygen. The deeper changes build over many sessions (40+).

Cognitive Performance

Executives, students and founders use HBOT for the edge. Guests describe feeling mentally switched on and able to sustain focus for longer stretches; in the crossover trial below every task improved inside the chamber, thinking and hand skill alike.

Mood & Calm

An hour at pressure is deeply restful. Guests step out calmer, clearer and emotionally settled, and with repeated sessions that becomes how they feel most of the time.

What the research explores
  • A 2017 crossover trial in Frontiers in Integrative Neuroscience (Vadas et al.) tested twenty-two healthy adults aged 22 to 68 twice over, once in ordinary air and once in the chamber. Every task improved inside the chamber, thinking and hand skill alike, and the gap held when they were made to do two things at once.
  • A 2020 randomised trial in Aging (Hadanny et al.) reported gains in attention and information processing speed in cognitively healthy older adults, alongside increased blood flow in several brain regions.
  • A 2020 controlled trial in Biomolecules (Suzin et al.) ran fifty-six healthy adults in their twenties and thirties through a memory test, half on oxygen and half in a chamber rigged to feel identical without it. Those on oxygen recalled 11.3 words against 9.0 after deliberate interference, a large effect that survived statistical correction.
  • A 2015 placebo-controlled study in Clinical Neurophysiology (Yu et al.) used brain imaging in healthy young adults and measured changes in memory scores and hippocampal activity on the scans.

Talk to your GP before starting a protocol if you have any neurological condition.

An hour that asks nothing of you.

One hour
Of peace
Parking
Free
Oxygen
96%
Pressure
1.5 ATA
  1. On arrival

    We welcome you in and show you the chamber, with a brief first-visit consent form we ask you to sign. The hour ahead is unbroken, so it is worth a visit to the bathroom first; we have toilets on site. We will answer all of your questions, explain how it all works, and then the session is yours: one hour of relaxing peace.

  2. Into the chamber

    The soft-shell chamber is spacious and made for stillness, with a mattress and pillow, a blanket if you like, and cool, fresh air throughout, kept comfortable by air conditioning. You lie back and your shoulders drop.

  3. The hour

    About five gentle minutes to pressurise, then a full hour breathing 96% oxygen at 1.5 ATA, before five minutes to ease back down. The hour at full pressure is the point; the minutes spent pressurising, easing down and settling in are what make the booked slot ninety minutes.

  4. Afterwards

    Rise in your own time. Many guests feel it right away: a clearer head, less tension, a lifted mood. It builds, session on session.

What are you planning to use HBOT for?

A protocol is a planned run of sessions aimed at changes you can feel: fresher legs before and after training, an easier post-op few weeks, and nights that finally go deep. Choose a ready-made one built around your goal, buy a block of sessions to use across the next 12 months, or design your own from scratch.

The reviews speak for themselves.

Every word below is a real, verified Google review left by a Green Oxygen guest, unedited and in their own words.

★★★★★ Verified guests on Google
★★★★★
Darren and Tommy truly made the visit exceptional - their knowledge, care, and genuine enthusiasm for helping clients feel better really stood out. They took the time to explain everything clearly, answered all my questions, and ensured I was comfortable throughout the session.
M Mark
Verified Google review
★★★★★

Real people,
real reviews.

Genuine Google reviews from people who've had sessions with us at our Marlow studio.

Read them on Google → … or share your own.
★★★★★
I felt relaxed, well looked after, and could noticeably feel the benefits afterward - more energy, clearer head, and an overall sense of well being.
BBennieVerified Google review
★★★★★
Really positive experience and have been several times to use the hyperbaric chamber. Professional and friendly and easy communication with Darren and Tommy.
JJamesVerified Google review
★★★★★
Head feels so clear and feels like I have more energy. I'll definitely be having more sessions. 👍🏻
MMichealFirst session
★★★★★
I have booked 40 sessions here, that is my confidence in this treatment at Green Oxygen.
RRafiq40 sessions booked
★★★★★
I've seen a significant improvement with my lower back pain after only 3 sessions. Very nice, quiet, accessible set up with easy parking. Tommy and his dad are great!
KKeith20 sessions
★★★★★
Excellent service, after just one session I felt better … I will be booking more sessions, I can't recommend Green Oxygen Hyperbarics highly enough.
PPaulAfter one session
★★★★★
I seemed to have more energy, felt good … a really positive outcome and looking forward to more sessions. Amazing 🤩
SSarahFirst session
★★★★★
An exceptional experience … I also found to be re-energized after my session.
JJasonStrongman athlete
★★★★★
Tommy and Darren have been absolutely wonderful throughout … feeling more rested after a nights sleep and a clearer/sharper mind.
TTracy10 sessions · pre/post surgery
Articles

Read your way around the chamber.

Every corner of this site goes deeper than the page you met it on. Each piece is a few minutes, written plainly. Start anywhere.

New to this? Start here.

Ease in with The Taster: ten sessions, heaviest first, enough to feel the first easy nights and fresher mornings. Or go straight to the flagship Established Reset, the full protocol most people land on.

Browse all protocols →

Everything you need
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It's comfortable and spacious. During the first and last 5 minutes the chamber is either pressurising or releasing, and you'll feel a gentle pressure build in your ears, the same sensation as a plane taking off or descending. You must equalise your ears during those 5-minute windows. Pinch your nose shut and gently blow out, or swallow and yawn, until your ears pop, and you will need to repeat this every 20 to 30 seconds throughout those first and last 5 minutes. Once the chamber reaches full pressure the sensation stops completely and you can relax for the 60-minute session.

If you cannot equalise, or you experience any ear discomfort at any point, tell us immediately. We can pause or slow the pressurisation so your ears catch up. Forcing through ear pain can cause injury. Please speak up; that's what we're here for.

Inside the chamber you have a pillow and a blanket, and the studio is air-conditioned, with cool, fresh air throughout every session. Most guests close their eyes and genuinely enjoy the hour.
HBOT at 1.5 ATA has a well-established safety profile for healthy individuals. The most common experience is mild ear pressure during pressurisation, which equalises easily. We are not medical professionals and HBOT is a complementary wellness therapy, not a medical treatment. If you have an existing health condition, our short health and safety screening decides whether HBOT is suitable for you before your first session, and we call you if anything needs checking. A few conditions rule HBOT out (an untreated collapsed lung and certain lung conditions among them), and the screening picks those up.
Our soft-shell chamber is far roomier than most people picture: you lie down with space around you, not boxed in. You're never out of contact: we stay with you throughout, you can talk to us the whole time, and if you'd ever like to come out, we simply release the pressure and have you out within a few minutes. There's no need to push through anything; you're always in control. Many guests who felt unsure beforehand tell us they'd settled within the first session. You're also welcome to come and look inside the chamber before you book, with no obligation to go ahead.
In most cases, yes. When you book, you complete our short health and safety screening: 19 yes or no questions and a free-text box. A yes does not necessarily stop you using the chamber; it tells us what to check. If anything needs checking, we call you before your first session, one call of 5 to 10 minutes, to clear it up. If nothing needs checking, your booking simply stands. A few conditions do rule HBOT out, and the screening picks those up. We are not medical professionals, so if you are under a specialist for anything, it is sensible to mention HBOT to them too. Unsure before you buy? Call 07378 271411 and we will go through it with you.
Many guests notice something in the first one to three sessions: a clearer head, a lighter mood, stiff joints starting to loosen. From there it builds the more consistently you come, which is exactly why we group sessions into protocols rather than selling them purely one at a time.

Most people find the effects start compounding from around session 10, and 40 sessions is the length the published research keeps returning to for longer-term change. If you're not sure where to start, take The Taster and go from there, or call us and we'll talk it through.
Wear loose, comfortable clothing; cotton is ideal. Please avoid strong perfumes, hairspray or aerosol products beforehand, and leave electronic devices and valuables outside the chamber. Other than that there's nothing to prepare, so just arrive and relax.

One thing worth knowing: if you have a cold or blocked sinuses, move your session. Congestion makes it much harder to equalise your ears during the pressurising and releasing windows. Just let us know and we'll find you another time, with no penalty for moving a booking ahead of time.
Sessions are valid for 12 months from the date you buy them, and your account shows the date the soonest batch runs to. Anything already in your account before September 2026 will not expire. Unused sessions can also be transferred to a friend or family member; just contact us.
Moving a session is free with 24 hours' notice: call or message us and we will find you another time. Inside 24 hours, or if you do not turn up, the session counts as used. Bought a package online and changed your mind? You have 14 days from purchase to cancel for a full refund on any sessions you have not used.