So you have been hearing a lot about infrared saunas and wondering whether the benefits are actually real. That is a fair question to ask, especially when you are thinking about investing several thousand pounds in a piece of home wellness equipment.

The short answer is yes, the benefits are real and backed by research. But they are also sometimes overstated, and it is worth knowing which claims hold up and which ones do not. This guide covers everything you need to know, from how infrared saunas work to what the science actually says, so that you can make a confident, well-informed decision.

But before we start:

What is an infrared sauna, and how does it actually work?

Source: Pixabay

Instead of heating the air directly, as in a traditional sauna, infrared panels inside the cabin emit radiant light that passes straight through the air and is absorbed by your skin and soft tissues. The cabin temperature ranges from 45°C to 65°C, which is considerably lower than that of a traditional sauna, but your body still heats up in the same way. It just happens more gradually and at a temperature that most people find much easier to tolerate.

Think of it like standing in direct sunlight versus sitting indoors on a cold day. The outside air temperature might not be that high, but the sun's warmth heats your skin directly. That is broadly how infrared heat works.

Basically, there are three types of infrared light:

• Near infrared heat

Near-infrared is absorbed at the skin's surface and is associated with skin repair and collagen production.

• Mid infrared heat

Mid-infrared penetrates deeper into soft tissue and is good for circulation and pain relief.

• Far infrared heat

Far-infrared goes the deepest and is responsible for the sweating response most people associate with a sauna session. Most home infrared saunas use far-infrared panels, often made of carbon fibre, which distribute heat evenly throughout the cabin.

The advantage of infrared saunas is that they heat up in around 10 to 15 minutes and plug into a standard home electrical circuit in most cases. There is no steam, water, or complicated installation. For a UK homeowner, this makes them one of the most accessible and low-maintenance wellness additions you can make to your home.

Now let's get into the fun part:

The health benefits of infrared saunas

Here are five (5) main benefits of an infrared sauna:

1. Provides relief to aching and sore muscles

This is one of the most well-evidenced benefits of infrared sauna use, and it is the reason so many athletes and active people have built sessions into their recovery routine.

Jaquar Solo Infrared Sauna 1 Heater

When infrared heat raises your core body temperature, your blood vessels widen. This is called vasodilation. It increases blood flow to muscle tissue and speeds up the clearance of waste products that build up during exercise, such as lactate, which causes that familiar soreness after a hard workout. Research has documented reductions in delayed-onset muscle soreness (DOMS) following infrared sauna sessions, with participants recovering strength faster than with passive rest.

It is not just for people who train heavily, either. Clinical studies in patients with rheumatoid arthritis and ankylosing spondylitis found pain reductions of between 40% and 60% and significant improvements in joint stiffness after regular infrared sessions. If you manage a chronic pain condition or simply want to recover better from physical activity, this is one of the most reliable returns you will get from regular use.

2. It improves your heart health

This one surprises a lot of people, but there is scientific research to back it.

When your body heats up during a sauna session, your heart rate increases and your blood pumps faster to help cool you down. Physiologically, this puts a similar demand on your cardiovascular system as moderate exercise, without the impact on your joints. Over time, regular heat exposure improves the flexibility of your blood vessels, lowers resting blood pressure, and supports overall heart function.

Source: Freepik

A major study tracking over 2,300 Finnish men for two decades found that those who used a sauna four to seven times per week had a 50% lower risk of dying from cardiovascular disease compared to those who used it once a week. That is a significant finding, and the research has since been replicated in other populations.

However, always consult your physician before introducing infrared sauna sessions into your routine, especially if you have an underlying medical condition, take prescription medications, or have any concerns about how heat exposure may affect your health.

3. It helps you to unwind, de-stress, and sleep better

During an infrared session, your body shifts into a more relaxed state. Cortisol, the hormone associated with stress, drops. Then, your breathing slows, and muscles release tension. The heat also triggers the release of endorphins and dopamine, the body's feel-good chemicals, and research suggests this dopamine boost can persist for several hours after a session ends.

Source:Freepik

The sleep connection is equally well supported. Towards the end of a session, your core body temperature starts to fall, and that drop is one of the signals your brain uses to prepare for sleep. It is the same reason a warm bath before bed helps you nod off faster, but the effect from a structured sauna session tends to be more pronounced. Many users report falling asleep more quickly and waking up feeling more rested once sauna use becomes a regular part of their evening routine.

Nick, a user on Reddit, explained how an infrared sauna improved sleep quality after using it for a week:

Another user on the same thread agreed:

If you are in a phase of life where stress and disrupted sleep are constant, investing in an infrared sauna can help you address them.

4. It helps to detoxify the body

Your liver and kidneys do the heavy lifting in removing waste products and toxins from your body. Sweating is a secondary elimination pathway, not a primary one. So the idea that an infrared sauna "flushes toxins" in any dramatic sense is an exaggeration.

Source: Freepik

That said, there is scientifically backed research to show that sweat contains measurable concentrations of heavy metals such as lead and cadmium. Regular sauna use promotes the excretion of these metals through the skin over time.

Beyond that, the improved circulation from regular infrared use helps your blood and lymphatic systems carry waste products to your liver and kidneys more efficiently.

So, while it doesn't directly detoxify the body, infrared saunas can support your body's natural detoxification systems.

5. It makes the skin glow with health

Lastly, an infrared sauna can also help to improve your skin's appearance.

Increased blood flow to the skin, combined with sustained sweating that opens your pores, creates conditions that are good for your complexion over time. The near-infrared wavelengths emitted by most home units have also been shown in clinical research to stimulate collagen and elastin production, which affects skin texture and the appearance of fine lines.

Source: Freepik

Unlike a steam room, which can leave skin feeling clammy, infrared sessions produce a dry sweat that rinses cleanly. Many regular users notice clearer, more even skin tone after a few weeks of consistent use, though the effect is gradual rather than immediate.

Are infrared saunas safe? Risks and who should avoid them

For most healthy adults, yes, infrared saunas are safe. The lower temperatures make them more forgiving than traditional saunas, and most people can build up to 30 to 45-minute sessions without any difficulty. The basics apply regardless:

• Drink water before and during your session
• Avoid alcohol beforehand
• Start with shorter sessions of around 15 minutes while your body adapts
• Step out immediately if you feel dizzy or unwell.

However, if you:

• Are diagnosed cardiovascular condition, including heart disease or arrhythmia
• Have uncontrolled high or low blood pressure
• Have multiple sclerosis, as heat can temporarily worsen symptoms
• Are on medications that affect blood pressure, heat tolerance, or fluid balance
• Are pregnant

… speak to your GP before buying an infrared sauna.

Conclusion: Should you get an infrared sauna at home?

If you have a suitable space and you are committed to using it regularly, a home infrared sauna is one of the more practical and cost-effective wellness investments available to UK homeowners. And here's why:

1. Installation is pretty easy.Most home units arrive as flat-pack modular cabins, assemble in a few hours without specialist tools, and run from a standard 13-amp socket for smaller one- or two-person models.
2. Running costs are low. At current UK electricity rates, a 45-minute session in a 2 kW infrared sauna costs between 40 and 60 pence. Used three or four times a week, your monthly bill adds around £8-£15. That is less than a single spa visit and considerably less than a gym membership with sauna access.
3. Placement is flexible, too. An infrared cabin can go in a spare bedroom, a garage, a garden office, or a covered outdoor area. There is no plumbing, drainage, or waterproofing required. You just need a socket and enough floor space.

Browse the NorseSteam infrared sauna collection to compare models by size, heater type, and EMF rating. If you'd like help figuring out which unit fits your space and goals, reach out directly.

Frequently asked questions

How often should I use an infrared sauna?

Two sessions a week is a good starting point and will produce results over time. You can increase the frequency as your body adjusts to the heat.

Do infrared saunas help you lose weight?

No, infrared saunas don't help you lose weight. However, you will lose fluid weight during a session, which returns once you rehydrate.

Are infrared saunas safe to use every day?

Yes, for healthy adults without contraindications, provided sessions are kept to 30-45 minutes, and you stay well hydrated. If you have any of the conditions mentioned in the safety section above, check with your GP before establishing a daily routine.

Can I use an infrared sauna if I have high blood pressure?

Some studies have found that regular infrared use lowers blood pressure in hypertensive patients over time. However, anyone with diagnosed high blood pressure should speak to their GP before starting, as individual circumstances, medication, and the severity of the condition all affect what is appropriate.

Do infrared saunas really detox your body?

In a specific sense, yes. Sweat produced during infrared sessions contains measurable concentrations of heavy metals and some organic compounds, supporting a secondary elimination pathway. It does not replace the work of your liver and kidneys, and sweating alone cannot "flush toxins."

How long does an infrared sauna take to heat up?

Most home infrared cabins reach a comfortable operating temperature in 10 to 15 minutes from a cold start. This is considerably faster than a traditional sauna, which typically needs 30 to 45 minutes to heat up properly.

Are home infrared saunas expensive to run?

No. At current UK electricity rates, a typical home infrared sauna costs around 40-60 pence per session. Used four times a week, that is approximately £8-£12 per month. Larger models draw more power, but even a 4 kW unit used regularly rarely costs more than £25-£30 per month.