Infrared saunas are the definition of a hot wellness trend. They’re popping up in gyms, spas and even the homes of sweaty enthusiasts, with proponents lauding benefits that include improved heart health and pain relief.
The main difference they have from traditional saunas is the type of heat used. Finnish-style saunas work by heating the air, whereas infrared saunas directly heat the body via light from infrared bulbs. This means they’re not as hot as traditional saunas – around 60°C (140°F) compared to 75°C (167°F).
They’re often smaller, too. So, if you don’t enjoy the intense heat of a Finnish sauna, or the company of semi-naked, heavy-breathing strangers, you may find infrared options more tolerable.
You’ll still get a sweat on, of course, and it’s those exercise-adjacent effects that make people feel good with any type of heat therapy: increased heart rate, lower blood pressure, relaxed muscles and improved blood flow. Saunas may also increase mood-lifting endorphins while lowering stress hormones.
Studies on infrared saunas specifically have shown that they can improve cardiovascular health, mimic the effects of mild exercise and reduce pain, both after a workout and in people who suffer chronic pain. Some research (in mice) has even suggested that infrared therapy can reduce inflammation by stimulating the mitochondria in our cells.
The caveat is that not many studies have intentionally looked at infrared saunas. Of those that do exist, most are limited in scope, with small numbers of participants. After all, it’s not easy (or cheap) to herd thousands of people into infrared saunas and study how it affects them.
While we wait for more evidence, the trend shows no signs of cooling down. You can install an infrared sauna at home for around £3,000 (approximately $3,900 USD). And if you want to try before you buy, infrared Pilates and yoga classes are also becoming popular.
This article is an answer to the question (asked by Ross Mcdowell, Birmingham) 'Should I start visiting an infrared sauna? Is it safe?'
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