Is cryotherapy better than an ice bath?

Not on the evidence we have today. A chamber at −110 °C chills the skin more, but cools muscle and core by about as much as a few minutes in 8 °C water. In a marathon trial, cold water was better than the chamber for recovering muscle function, and cold-water immersion has many more trials behind it.

Does whole-body cryotherapy reduce muscle soreness?

We do not know yet. A Cochrane review found only four small trials, mostly involving young men, and rated the evidence very low quality, too weak to tell us whether cryotherapy reduces soreness or improves recovery.

Is whole-body cryotherapy safe?

It has real risks, including frostbite, especially on wet skin, and suffocation in nitrogen-cooled tubes, where oxygen can fall far below normal. Never use one alone, keep your skin completely dry, cover your hands, feet and ears, and stay no longer than about three minutes.

Do compression boots help recovery?

They can feel good, but a 2025 review found moderate-certainty evidence that they do not reduce muscle soreness, while a 2026 placebo-controlled trial in elite youth footballers found no faster recovery. Think of them as a pleasant massage, not a recovery shortcut.

Does Ōmni have a cryo chamber?

No. Ōmni has a private cold plunge kept at 7–12 °C, an infrared and red-light sauna and float rooms. When it comes to cold, we think water does the job with fewer risks.

Is a cold shower as good as a cold plunge?

They have not been compared head to head. A cold shower cools less of your body and depends on how cold the water from your tap actually is; a plunge holds a set temperature and covers you to the shoulders. Showers have one large trial behind them, showing fewer sick days; plunges have more trials for muscle recovery.

How long should a cold shower be?

In the largest trial, 30 seconds of cold water at the end of a warm shower worked as well as 60 or 90 seconds for the main result: fewer sick days. Longer was not better.

Does cold water reduce inflammation?

Not in the short term. The 2025 review found that inflammation markers rose immediately and one hour after cold immersion, which is a normal acute stress response. Claims that cold exposure lowers everyday inflammation have not been shown.

Will cold showers make me less stressed?

Possibly, for a while. In the review, stress was lower 12 hours after cold immersion, but not at 1, 24 or 48 hours, and mood did not change. We rate cold water as a wellbeing habit Early evidence.

Is cold water dangerous?

The first minute carries the main risk: an involuntary gasp, fast breathing and a jump in heart rate and blood pressure. Breathe out slowly, never hold your breath, keep your face out of a plunge, and get out if you feel chest pain, dizziness or an irregular heartbeat.

Tag: Recovery by Temperature

Is −110 °C better than an ice bath? Cryo chambers, compression boots and pro recovery gadgets
In short: Whole-body cryotherapy means spending two to three minutes in air at −110 °C or colder. That sounds far more extreme than an ice bath, but the number does not tell the whole story: air carries heat away much more slowly than water. In a head-to-head lab study, 4 minutes at −110 °C chilled the skin more than 8 °C water, yet cooled muscle and core by about the same amount. A Cochrane review found too little evidence to say cryo chambers reduce muscle soreness, and in a marathon trial cold water beat the chamber. Compression boots can feel pleasant, but recent reviews and a placebo-controlled trial found no faster recovery. Cryo chambers also carry real risks, including frostbite and, in nitrogen-cooled cabins, suffocation.

You have probably seen the photos: a footballer disappearing into a cloud of white vapour, a runner stretched out in inflatable leg sleeves, a wellness studio menu where “cryo” costs about as much as a small holiday. It certainly looks high-tech. But does −110 °C actually do something an ice bath cannot? And are those futuristic leg sleeves worth renting? Here is how each gadget works, what the trials actually found, and the risks that tend to get less space in the brochure.

Part of the Ōmni Recovery Library · Recovery by Temperature · Ōmni Evidence Scale: Early evidence

Where it came from, and what a session looks like

Whole-body cryotherapy began in Japan. In the late 1970s, rheumatologist Toshiro Yamauchi noticed that his patients with rheumatoid arthritis seemed to do better after winter holidays in the mountains, so he built a chamber filled with very cold, dry air to recreate that effect. The idea travelled to Poland and Germany for rheumatism clinics, then into elite sport and, much later, city wellness studios.

Today, you will mainly come across two kinds of machine.
- The walk-in chamber. In the classic clinical protocol, you enter in swimwear, socks, clogs, a headband and a mask, spend about 30 seconds in an anteroom at −60 °C, then move into the main room at −110 to −140 °C for no more than three minutes. Electrically cooled chambers contain breathable air around the whole body.
- The “cryosauna” tube. This is a single-person cylinder, open at the top, with your head staying above the rim. Many use liquid nitrogen vapour flowing around the body for cooling. This is the version you are more likely to see in wellness studios.
A single-person “cryosauna”: the body is cooled inside the tube while the head stays above the rim. Photo: ВитяВетер, Wikimedia Commons, CC BY 4.0.

Why −110 °C air is not “ten times colder” than an ice bath

Temperature is only half the story. What really matters is how quickly heat leaves your body, and water pulls heat away more than 20 times faster than still air. That is why you can spend a while outside on a dry −20 °C day, yet be in trouble within minutes in water only just above freezing.

Joseph Costello and colleagues measured this directly in 2012. Twenty active young men did 4 minutes of whole-body cryotherapy at −110 °C and, on another day, 4 minutes in 8 °C water. The chamber cooled the skin more, with an average drop of about 12 °C versus 8 °C. But the fall in muscle temperature, measured with a probe in the thigh, and in core temperature was similar, and slightly greater after the water. Put simply, that dramatic number on the cryo chamber’s screen is felt mostly at the skin.

A walk-in cryochamber in the Czech Republic: cold, dry air at well below −100 °C. Photo: NáskokBrno, Wikimedia Commons, CC BY-SA 4.0.

What the science actually says about cryo chambers

Muscle soreness. In 2015, a Cochrane review, the gold standard for summarising medical trials, searched for every randomised trial of whole-body cryotherapy for soreness after exercise. It found just four small lab trials involving 64 people, all but four of them young men. The evidence was rated “very low” quality, and the authors concluded that there was not enough evidence to say whether cryotherapy reduces soreness or helps people feel recovered. None of the trials actively checked for side effects.

Chamber versus water. In a 2018 trial, 31 trained men ran a marathon and then received either a cold-water bath, a cryo chamber session or a placebo. Cryotherapy was worse than cold water for recovering muscle function, although the chamber group reported slightly less training stress. Neither cold method beat the placebo for functional recovery. Cold water itself has a stronger research record: a 2022 meta-analysis of 52 studies found that cold-water immersion reduced muscle soreness and helped muscle power recover 24 hours after hard exercise. On our own scale, the cold plunge for muscle recovery rates Promising.

Disease claims. Cryo studios sometimes mention arthritis, anxiety, weight loss and more. In 2016 the US Food and Drug Administration reviewed the literature, found “very little evidence” for these uses, and stated that it had not cleared or approved any whole-body cryotherapy device to treat any medical condition.

Plausible versus proven. A short blast of extreme cold certainly wakes you up and cools your skin quickly; that sharp, tingling, “reset” sensation is real, and plenty of athletes enjoy it. What has not been shown is that it speeds recovery more than a plunge, or treats a disease.

Compression boots: the other high-tech recovery gadget

Compression boots are long inflatable sleeves that zip around your legs. A pump fills separate chambers from the feet upwards, squeezing and releasing in waves, usually for around half an hour. The technique, intermittent pneumatic compression, comes from hospitals, where it is used to keep blood moving in bedridden patients. In sport, the idea is that it can help “flush” tired legs.

The sensation can be lovely, a little like a slow, firm leg massage. Whether it actually speeds recovery is a different question:
- A 2025 systematic review found moderate-certainty evidence that compression boots do not reduce muscle soreness 24 hours after damaging exercise.
- A 2026 randomised trial in 23 international-level youth footballers compared 30 minutes of high-pressure boots after matches with a placebo cream and found no difference in jump height, muscle fatigue, muscle damage markers, or how tired and sore the players felt.
- A 2026 network meta-analysis of recovery methods in elite endurance athletes, including cold water, cryotherapy, compression and massage, found that none clearly beat simply resting. A sham immersion in neutral-temperature water performed as well as the active methods. The authors’ conclusion: expectation cannot yet be separated from a real physical effect.
So if you enjoy the boots, enjoy them. Just do not expect them to replace what sleep, food and time already do remarkably well.

Ōmni Evidence Scale: Early evidence, for whole-body cryotherapy: a handful of small, mostly male trials, rated very low quality by Cochrane, with cold water doing as well or better in direct comparisons. Compression boots: Early evidence, and the better trials so far find no faster recovery. See how we rate evidence on the Ōmni Evidence Scale.

The risks: frostbite and nitrogen

Extreme cold is not gentle on tissue. The FDA lists frostbite, burns and eye injuries among the risks of whole-body cryotherapy. Wet skin is the classic issue: sweat or damp clothing can freeze onto the skin almost instantly at −110 °C, which is why clinical protocols require completely dry skin and protection for the hands, feet and ears.

Nitrogen-cooled tubes introduce another, invisible risk. Nitrogen itself is not poisonous, but it displaces oxygen from the air and has no smell. The FDA warns of asphyxiation “especially when liquid nitrogen is used for cooling”. In October 2015, a 24-year-old spa worker in Las Vegas was found dead inside a nitrogen-cooled cryotherapy tube that she had apparently used alone after closing time. The coroner ruled the death an accident caused by asphyxia: oxygen inside such a chamber can fall below 5% during use, compared with about 21% in normal air.

Liquid nitrogen, here in a laboratory storage container, is what cools many cryo tubes. As it evaporates it pushes oxygen out of the air. Photo: U.S. Fish and Wildlife Service, Wikimedia Commons, public domain.

The practical safety list:
- Never alone. A trained staff member should watch the whole session, and you should be able to step out whenever you want.
- Completely dry skin, with no sweat or damp swimwear; gloves, socks and ear cover should stay on.
- No more than about three minutes. More time does not mean more benefit.
- In a nitrogen tube, keep your head above the rim and get out if you feel dizzy, light-headed or confused.
- Not for everyone. Clinical guidelines rule it out for people with uncontrolled heart disease, Raynaud’s (fingers that turn white in the cold), cold intolerance, acute breathing problems, open skin lesions or claustrophobia.
- Compression boots are low-risk, but are not used when a blood clot in the leg is suspected.
What we think at Ōmni

A little transparency first: Ōmni has no cryo chamber and no compression boots. We do have a cold plunge, so yes, we have a stake in the water side of this conversation. That is also why we have tried to let the trials speak for themselves rather than dress the conclusion up.

Our reading is simple: for cold, water does the job. It cools muscle as well as a chamber, has more trials behind it, costs less and brings no nitrogen risk. Our cold plunge is kept at 7–12 °C, in a private 30-minute session that you can take at your own pace: a few short dips, slow long exhales, face out of the water. It costs 450,000 VND on its own or 200,000 VND added to a float, and the whole sauna and cold plunge room, for up to 4 people for 60 minutes, is 900,000 VND. Bring your own swimwear for the plunge; our infrared and red-light sauna and float rooms need none. If you are curious about combining heat and cold, read our contrast therapy guide.

Cold water cools muscle as well as a chamber, with more trials behind it. Photo: U.S. Air Force photo by Senior Airman Brooke Keisler, Wikimedia Commons, public domain.

And sometimes, after a hard block of training, what your legs and your head need most is simply a proper pause. That is where float therapy comes in. You lie face up in about 25 cm of water with around 500 kg of dense, mineral-rich Epsom salt, warmed to 33–34 °C, close to skin temperature, with no pressure on the joints and nothing you need to do. See how runners and gym regulars in Saigon use it in our float for recovery guide. Float has been explored across hundreds of scientific studies; in a Swedish randomised pilot trial, 65 working adults who floated 12 times over seven weeks reported less stress and anxiety and better sleep than a waiting group.

Ōmni Evidence Scale: Strong evidence, for float and stress. We rate it Strong because, alongside these trials, user experience is overwhelmingly positive: in a 2025 survey of regular floaters, 92% reported relaxation and 77% less stress, echoed by thousands of reviews, Reddit threads and forums, and by athletes and public figures who float.

Ōmni Space is a quiet float centre at 16C Quốc Hương, Thảo Điền, created by the team behind Float Vietnam, the country’s pioneer float centre since 2017. A single float costs 1,500,000 VND for 60 minutes or 2,000,000 VND for 90 minutes; the couple room adds 700,000 VND for the second person. Open 9:00–21:00 daily; last float 20:00; walk-ins until 18:00.

The low-tech recovery room: warm, shallow, weightless. Photo: Ōmni Space.

Book a cold plunge or float

Float PlanRunning on empty?Take the one-minute Float Plan quiz: tell us how you feel and what you need, and get a simple plan for your first session.Make my Float Plan
FAQ

Is cryotherapy better than an ice bath?

Not on the evidence we have today. A chamber at −110 °C chills the skin more, but cools muscle and core by about as much as a few minutes in 8 °C water. In a marathon trial, cold water was better than the chamber for recovering muscle function, and cold-water immersion has many more trials behind it.

Does whole-body cryotherapy reduce muscle soreness?

We do not know yet. A Cochrane review found only four small trials, mostly involving young men, and rated the evidence very low quality, too weak to tell us whether cryotherapy reduces soreness or improves recovery.

Is whole-body cryotherapy safe?

It has real risks, including frostbite, especially on wet skin, and suffocation in nitrogen-cooled tubes, where oxygen can fall far below normal. Never use one alone, keep your skin completely dry, cover your hands, feet and ears, and stay no longer than about three minutes.

Do compression boots help recovery?

They can feel good, but a 2025 review found moderate-certainty evidence that they do not reduce muscle soreness, while a 2026 placebo-controlled trial in elite youth footballers found no faster recovery. Think of them as a pleasant massage, not a recovery shortcut.

Does Ōmni have a cryo chamber?

No. Ōmni has a private cold plunge kept at 7–12 °C, an infrared and red-light sauna and float rooms. When it comes to cold, we think water does the job with fewer risks.

Written by the team at Ōmni Space – Float Saigon in Thảo Điền, which runs a cold plunge, an infrared and red-light sauna and float rooms. General information, not medical advice; sources checked on 30 October 2026.

Sources
November 4, 2026
Cold plunge or cold shower: what did 11 trials actually find?
In short: A 2025 review in PLOS ONE pooled 11 randomised trials of cold water (7–15 °C) in healthy adults. People felt less stressed 12 hours after a cold dip, slept a little better in one small study and reported a better quality of life, but mood did not change, while inflammation markers rose in the first hour. Ten of the 11 trials used baths or plunges; only one used showers, and it was by far the biggest: in the Netherlands, people who finished their shower cold took 29% fewer sick days off work, without actually being ill less often. A cold shower is the free, everyday version; a cold plunge is colder, deeper and easier to dose. Both begin with the same cold shock, so breathe slowly and never hold your breath.

You have probably heard both sides. One says a 30-second blast of cold at the end of your shower gives you the benefit for free. The other says it barely counts unless you are sitting in a tub of ice. If you are wondering whether to buy a plunge membership, keep turning the shower tap cold, or skip the whole thing, here is what the trials actually measured, where showers and plunges genuinely differ, and the one risk they both share.

Part of the Ōmni Recovery Library · Recovery by Temperature · Ōmni Evidence Scale: Early evidence

How people actually do it

The cold shower. The familiar version, popularised by Wim Hof and tested in a large Dutch trial, is simple: take your normal warm shower, then finish with 30 to 90 seconds of the coldest water your tap can give you. No equipment, no booking, no cost. In that Dutch trial, conducted in January when the ground was cold, tap water was about 10–12 °C. In a tropical city like Saigon, the “cold” water from the tap is usually much warmer than that, and that difference matters.

The cold plunge. Here, you lower yourself up to the shoulders into a tub or pool of chilled water, usually somewhere between 7 and 15 °C, for anything from 30 seconds to a few minutes. Athletes have used ice baths for decades to feel less sore after hard training; the wellness version tends to be shorter, with more emphasis on the sharp jolt of alertness afterwards.

The cheapest cold exposure there is: the last 30 to 90 seconds of your shower. Photo: JovanCormac, Wikimedia Commons, CC BY 2.0.

What 11 trials actually found

In January 2025, Cain and colleagues at the University of South Australia published a systematic review and meta-analysis in PLOS ONE, looking at cold-water immersion for health and wellbeing in healthy adults. They only included randomised trials using water at 15 °C or colder for at least 30 seconds, whether by shower, bath or plunge. Eleven trials qualified, covering 3,177 people in total.

Here is what came out of them, in plain English:
- Stress: lower 12 hours after cold-water immersion, with a large effect. But not immediately, not at 1 hour, and not at 24 or 48 hours. That is one positive time point out of five.
- Inflammation: markers actually went up immediately after the cold and one hour later. That is an acute stress response, not proof of harm, but it is the opposite of the simple claim that “cold reduces inflammation” in the short term.
- Immune function: no measurable change in the first hour. The longer-term finding about “fewer sick days” comes from one trial, which we will get to below.
- Sleep: better sleep quality in one small study of 20 young men who used cold water after training in the heat. There were no data in women.
- Quality of life: slightly higher scores in the large shower trial.
- Mood: no difference.
Two details are worth keeping in mind before those results start sounding bigger than they are. First, 3,018 of the 3,177 people came from a single trial. Second, apart from that trial, every participant across the other ten studies was male. The authors themselves describe the evidence base as small and not very diverse, and call for better trials.

The cold shower trial: 3,018 Dutch adults

The only shower study in the review also happens to be the biggest cold-water trial ever conducted. In early 2015, Buijze and colleagues in Amsterdam randomly assigned 3,018 working adults, aged 18 to 65 and new to cold showers, to four groups: finish every shower with 30, 60 or 90 seconds of cold water for 30 days in a row, or simply carry on as usual.

The cold-shower groups reported 29% fewer days off sick from work. But they did not report fewer days of actually being ill. The authors’ interpretation was that people may have felt well enough to keep working through a cold. Thirty seconds worked as well as ninety. Nearly four in five completed the 30 days, and 64% were still taking cold showers by choice at the end of the three-month study; the benefit people mentioned most often was more energy, sometimes compared to coffee.

There are important limits. Nobody can be blinded to whether they are standing under a cold shower, sick days were self-reported, and the authors say plainly that a placebo effect cannot be ruled out. Even so, for a free habit that takes 30 seconds, it is an unusually large and real-world trial.

The original cold shower: a waterfall in the Yorkshire Dales. Photo: Gordon Hatton, Geograph, Wikimedia Commons, CC BY-SA 2.0.

Shower or plunge: what is really different?

Nobody has yet run a wellbeing trial that puts cold showers and cold plunges directly against each other. So the fairest comparison is not “which one wins?”, but how the dose differs, how the physics differs, and what each one has actually been tested for.

How much of you gets cold. A shower mainly cools the area of skin under the stream; a plunge surrounds almost your whole body at once. In a 2016 lab study, a 15-minute cold shower at about 21 °C after hard exercise did cool overheated people faster than simply sitting still, but the researchers concluded that it should only be used when proper cold-water immersion is not available.

How cold the water is. A plunge can hold a set temperature. A shower gives you whatever comes through the pipes. The Dutch trial used winter tap water at 10–12 °C; a rooftop tank in the tropics may produce water that barely feels cool.

What each has been tested for. Showers: sick days, quality of life and energy, in one large trial. Plunges: muscle recovery after sport, where a 2022 meta-analysis of 52 studies found less soreness and better recovery of power 24 hours after hard exercise; plus the short-term stress and sleep findings above. Our site rates the plunge for muscle recovery Promising, and for mood and alertness Early evidence.

Training the gasp. This is where showers and plunges meet. In a small 2005 study by Clare Eglin and Mike Tipton, six cold showers at 10 °C over four days reduced how strongly people gasped and panted when they later entered 10 °C water. Showers at 15 °C did not. So a genuinely cold shower may take the edge off your first plunge; a lukewarm one probably will not.

A plunge holds a set temperature and covers you to the shoulders. Photo: Edward Fick, Wikimedia Commons, CC BY 3.0 DE.

The risk both share: cold shock

Put a large area of skin into cold water and the body responds immediately with the cold shock response: an involuntary gasp, fast, forceful breathing that is difficult to control, and a sudden rise in heart rate and blood pressure. It is strongest during the first 30 seconds or so and settles within about three minutes. In open water, it is a known cause of drowning. In a shower, it may feel more like a loud “ah!”, but the cardiovascular load is still there.

Two things can make that response more dangerous. Holding your breath while your face is in cold water activates the diving reflex, which slows the heart, at the same time that cold shock is trying to speed it up. Physiologists Michael Shattock and Mike Tipton called this clash “autonomic conflict” and proposed it as a possible trigger for abnormal heart rhythms in vulnerable people. Hyperventilating before getting into the water, Wim Hof style, can also make you black out under water without warning.

The simple rules:
- Breathe out slowly as the cold hits, then keep breathing. No breath holds, whether you are in the shower or the plunge.
- Keep your face out of a plunge. Shoulders in, head dry.
- No breathing rounds before or during cold water; read our Wim Hof water rule for why.
- Get out if you feel chest pain, a racing or irregular heartbeat, dizziness or confusion, or if shivering becomes violent. People with heart rhythm problems or high blood pressure are the ones at real risk from cold shock.
- Not after alcohol, and never alone in deep water.
Plausible versus proven

Shown: cold water reliably triggers a burst of noradrenaline (in one classic study, about six times the resting level during an hour at 14 °C), along with a faster heart and a sense of alertness; plunges after hard exercise reduce soreness the next day; and a regular cold shower was linked with fewer sick days in one large but unblinded trial.

Plausible, not shown: that regular cold exposure “boosts immunity”, lowers day-to-day inflammation, or improves mood. The short-term inflammation data actually point the other way, and mood did not change in the review.

Ōmni Evidence Scale: Early evidence, for cold showers and plunges as a wellbeing habit. The trials are randomised, but there are few of them, most are small and almost all involve men, apart from one large, unblinded shower trial. Cold plunges for muscle recovery after sport rate higher, Promising. See how we rate evidence on the Ōmni Evidence Scale.

What we think at Ōmni

If you want a free daily dose of cold, a cold shower is a perfectly reasonable place to begin, especially if you live somewhere the tap water is genuinely cold. Thirty seconds was enough in the Dutch trial. If you want something colder, steadier and easier to control, or you live in a city where the “cold” tap still runs warm, that is where a plunge makes more sense.

Our cold plunge is a private 30-minute session that you can take at your own pace, with the water kept at 7–12 °C. Most people choose two or three short dips rather than one long one. Step in slowly, keep your face out, and make each exhale longer than the inhale until the initial gasp settles. Bring your own swimwear for the plunge (we do not lend it); our sauna and float rooms need none. The plunge costs 450,000 VND on its own or 200,000 VND added to a float; the full sauna and cold plunge room, for up to 4 people for 60 minutes, is 900,000 VND. If you want to combine heat and cold, see our contrast therapy guide.

Cold switches you on. If what you want is almost the opposite — quiet, stillness and deep rest — that is what our float rooms are designed for. In Thiền Nổi (float therapy), you lie face up in about 25 cm of water with around 500 kg of dense, mineral-rich Epsom salt, warmed to 33–34 °C, close to skin temperature. Float has been explored across hundreds of scientific studies; in a Swedish randomised pilot trial, 65 working adults who floated 12 times over seven weeks reported less stress and anxiety and better sleep than a waiting group.

Ōmni Evidence Scale: Strong evidence, for float and stress. We rate it Strong because, alongside these trials, user experience is overwhelmingly positive: in a 2025 survey of regular floaters, 92% reported relaxation and 77% less stress, echoed by thousands of reviews, Reddit threads and forums, and by athletes and public figures who float.

Every float room at Ōmni has its own shower, warm or as cool as the tap allows. Photo: Ōmni Space.

Ōmni Space is a quiet float centre at 16C Quốc Hương, Thảo Điền, created by the team behind Float Vietnam, the country’s pioneer float centre since 2017. A single float costs 1,500,000 VND for 60 minutes or 2,000,000 VND for 90 minutes; the couple room adds 700,000 VND for the second person. Open 9:00–21:00 daily; last float 20:00; walk-ins until 18:00.

After the cold, the float: warm, shallow, dense with Epsom salt. Photo: Ōmni Space.

Book a cold plunge or float

Float PlanRunning on empty?Take the one-minute Float Plan quiz: tell us how you feel and what you need, and get a simple plan for your first session.Make my Float Plan
FAQ

Is a cold shower as good as a cold plunge?

They have not been compared head to head. A cold shower cools less of your body and depends on how cold the water from your tap actually is; a plunge holds a set temperature and covers you to the shoulders. Showers have one large trial behind them, showing fewer sick days; plunges have more trials for muscle recovery.

How long should a cold shower be?

In the largest trial, 30 seconds of cold water at the end of a warm shower worked as well as 60 or 90 seconds for the main result: fewer sick days. Longer was not better.

Does cold water reduce inflammation?

Not in the short term. The 2025 review found that inflammation markers rose immediately and one hour after cold immersion, which is a normal acute stress response. Claims that cold exposure lowers everyday inflammation have not been shown.

Will cold showers make me less stressed?

Possibly, for a while. In the review, stress was lower 12 hours after cold immersion, but not at 1, 24 or 48 hours, and mood did not change. We rate cold water as a wellbeing habit Early evidence.

Is cold water dangerous?

The first minute carries the main risk: an involuntary gasp, fast breathing and a jump in heart rate and blood pressure. Breathe out slowly, never hold your breath, keep your face out of a plunge, and get out if you feel chest pain, dizziness or an irregular heartbeat.

Written by the team at Ōmni Space – Float Saigon in Thảo Điền, which runs a cold plunge, an infrared and red-light sauna and float rooms. General information, not medical advice; sources checked on 30 October 2026.

Sources
November 1, 2026