Partner content

Infrared Sauna Benefits for Women: What the Science Actually Says

Some of the marketing claims may be unsupported, but infrared saunas offer a range of real health benefits, say the experts at SaunaCloud

If you’ve scrolled past one more Instagram ad promising detox and glowing skin from a wooden box, you might wonder what the evidence supports. Infrared saunas have become a wellness trend, especially among women looking for heart health support, stress relief, better sleep, and pain management.

We’ve combed through the studies, talked to functional medicine experts like Dr Melissa Young at Cleveland Clinic and Dr Anna Shannahan at Northwestern Medicine, and separated what the evidence supports from what’s still wishful thinking.

Key takeaways

● Infrared saunas use light to heat your body directly at 110–140°F, making them more comfortable than traditional saunas (150–195°F) while delivering similar physiological responses – your heart rate rises as if you were walking at a moderate pace, as described by Cleveland Clinic and Northwestern Medicine.

● The strongest evidence supports cardiovascular benefits (lower blood pressure, improved circulation) and chronic pain relief, including a two-year Cleveland Clinic study showing improved outcomes for chronic pain.

● Claims about detox, weight loss, and skin benefits are weakly supported – your liver and kidneys handle detox, and the calorie-burn numbers you see online aren’t backed by the provided medical sources.

What is an infrared sauna and how is it different?

Infrared saunas operate at 110–140°F while delivering similar benefits, says Dr Melissa Young, a functional medicine specialist at Cleveland Clinic.

Traditional saunas heat the air first – usually to 150–195°F – and then you get hot second. Infrared saunas use infrared lamps (a type of electromagnetic radiation) to heat your body directly, like a microwave heating food from the inside out, as Northwestern Medicine describes it. The room itself stays cooler, typically 110–140°F, which means you can sit in a more comfortable environment and still sweat.

If you’ve ever felt claustrophobic or overwhelmed in a traditional sauna, infrared’s lower temperature may be more tolerable, says Dr Melissa Young, a functional medicine specialist at Cleveland Clinic. “It operates at 110–140°F while delivering similar benefits.”

Most home units and spa saunas use far-infrared or full-spectrum light. Near-infrared is a different wavelength sometimes added for skin-related claims, but the research on that is limited. For the purposes of this article, when we say infrared sauna, we’re talking about the standard far-infrared type, such as those found in a custom infrared sauna.

What happens to your body in an infrared sauna?

Sitting in an infrared sauna triggers a physiological response: within minutes, skin sweats, blood vessels widen, blood flow increases, and heart rate ticks up. Within minutes, your body kicks off a cascade: you start sweating, your blood vessels widen (that’s vasodilation), blood flow increases, and your heart rate ticks up.

Cleveland Clinic compares this response to walking at a moderate pace. “Your heart rate goes up, but you’re not out of breath,” says Dr Young.

Important caveat: this isn’t a substitute for exercise. Northwestern Medicine is clear on that point. The sauna increases heart rate and blood flow, but it is not a substitute for exercise.

Heart health, circulation, and blood pressure

Multiple studies – including a review in Mayo Clinic Proceedings by researcher Laukkanen JA – show that regular sauna use may support healthy blood pressure, improve circulation, and reduce the risk of cardiovascular disease. Dr Melissa Young at Cleveland Clinic notes that studies have found infrared saunas can help with high blood pressure and heart failure.

The long-term evidence from eastern Finland tracking thousands of people for decades comes from traditional sauna studies, not infrared-specific ones. Data from eastern Finland tracked thousands of people for decades and found that regular sauna bathing was linked to lower rates of heart disease and all-cause mortality. Those participants were using traditional dry saunas.

Infrared sauna research is limited to small, short-term studies, per Northwestern Medicine. There’s a clinical treatment called Waon therapy – a Japanese protocol using far-infrared heat at 140°F for chronic heart failure patients, that shows promise. Marketing claims often borrow from the Finnish data and apply it to infrared without the same proof.

Pain relief and muscle recovery

This is one of the strongest areas of infrared research, as discussed regularly on r/InfraredSaunas.

A two-year Cleveland Clinic study found that infrared sauna therapy improved outcomes for chronic pain. The mechanism: increased circulation delivers more oxygen and nutrients to muscles and helps remove metabolic waste. Northwestern Medicine adds that it may reduce pain and stiffness, especially for rheumatoid arthritis.

Menstrual pain and postpartum recovery have not been directly studied yet. Heat therapy has long been used for period cramps, and the infrared sauna’s penetrating heat could be a more comfortable option than a hot water bottle – but the practical question remains: are infrared saunas worth it? There aren’t any studies on this in women yet. It’s a hopeful area, not a proven one.

Stress, mood, and sleep benefits

Dr Young puts it perfectly: “Consider it a warm meditation session.” Cleveland Clinic notes that regular sauna use may help decrease depression, anxiety, and stress.

The heat promotes relaxation, and the forced quiet time (no phone, no distractions) is a break in most people’s day. Better sleep is a reported benefit linked to sauna use by Cleveland Clinic – and for women dealing with perimenopause-related sleep disturbances, the potential is relevant.

Immune function and oxidative stress

Regular sauna use may help avoid the common cold, per Cleveland Clinic. It may help you avoid the common cold, and it’s linked to reduced oxidative stress – a contributor to cardiovascular disease, cancer, and dementia.

What the research doesn’t tell us: Detox, weight loss, and other overhyped claims

Let’s be honest about what the evidence doesn’t support. Despite marketing promises, your liver and kidneys handle detox – saunas don’t flush out toxins in any meaningful way, and weight loss claims aren’t backed by the research.

The detox myth

The idea that you can sweat out heavy metals, pesticides, and other toxins is common in infrared sauna marketing. But Dr Young says: “That research is still in its infancy.” Your liver and kidneys are your body’s primary detox organs, per Cleveland Clinic and Northwestern Medicine.

Sweat is mostly water and electrolytes, per Northwestern Medicine. Dr Shannahan puts it bluntly: the liver and kidneys do most of the detox work.

Small amounts of toxins can be excreted through sweat, but it is not a primary detox mechanism, per Northwestern Medicine. Do not rely on a sauna to clean your system.

Weight loss

Claims that you can burn 300–600 calories in a single session are not supported by the provided medical sources. None of the provided medical sources support this claim. The calorie-burn numbers you see online are not backed by the research. Your body does expend energy to cool itself, but it is not a meaningful weight loss tool. If you are looking to lose weight, diet and exercise are the proven paths – not sitting in a sauna.

Skin benefits

Collagen boosting, anti-ageing, glowing skin – these are common in marketing. There’s no direct evidence in the provided sources that infrared saunas improve skin appearance, and in fact, how pollution harms your skin suggests that environmental factors like infrared exposure can trigger the immune system. There’s also a documented risk (more on that in the safety section) that chronic infrared exposure can cause a rash. So do not bank on skin benefits.

Hormonal balance, menopause, fertility

Some women report feeling better, and that is valid – but it is not evidence.

Safety, side effects, and who should avoid infrared saunas

Infrared saunas are generally safe for most people, but there are risks including dehydration, dizziness, and overheating.

Common risks: Dehydration, dizziness, overheating

You are going to sweat – a lot. That means you need to drink water before, during, and after, per Northwestern Medicine. Cleveland Clinic and Northwestern Medicine both say to exit immediately if you feel dizzy or nauseated. Most people use infrared saunas 2–4 times per week, 15–30 minutes per session, per Northwestern Medicine, but start with 5 minutes.

The unique infrared risk: Erythema ab igne (toasted skin syndrome)

This is a side effect that most articles skip. Prolonged, chronic infrared exposure can cause a net-like rash called erythema ab igne, or “toasted skin syndrome”. Northwestern Medicine describes it as a mottled red rash that appears on the area of skin exposed to the heat. Mild cases typically fade within a few months after you stop using the sauna, per Northwestern Medicine. It is rare, but it is worth knowing about.

Absolute no: Alcohol

Do not drink alcohol before or during a sauna session. Alcohol increases the risk of abnormal heart rhythm and dehydration, according to Northwestern Medicine. Save the wine for after.

Who should check with a doctor first

The list from Cleveland Clinic includes pregnant women; people with heart disease, low or high blood pressure; those on certain medications; and anyone with implanted medical devices. Also, if you have a condition that affects your ability to sweat or regulate body temperature, talk to your healthcare provider before starting.

Red flag: If you have heart disease, high or low blood pressure, or are pregnant, check with your doctor before using an infrared sauna – it’s not just a formality.

Can infrared saunas cause cancer?

No. Northwestern Medicine says there is no strong evidence that infrared saunas cause cancer. Infrared light is different from harmful UV light. It does not damage skin the same way, per Northwestern Medicine.

Getting started: A practical guide for women

Here is what the experts recommend for your first month:

● Start slow: Begin with 5-minute sessions. Your body needs to acclimate to the heat.

● Build up gradually: Work your way to 15–30 minutes per session. Most studies use 15-minute sessions as a benchmark.

● Frequency: Aim for 2–4 times per week. Consistency beats intensity – shorter, more frequent sessions build the habit.

● Hydrate: Drink water before, during, and after. You’re going to lose fluid.

● Know your limits: Higher temperatures don’t mean better results. In fact, they can increase side effects like dizziness and dehydration.

● Portable devices: Infrared blankets and face masks are popular but less effective. Northwestern Medicine says they may not deliver the same full-body effects, and research on their effectiveness is limited. They’re not a replacement for a full sauna session.

● Cold plunge caution: It’s trendy to jump into a cold plunge after a sauna, but Northwestern Medicine advises caution. The temperature shock carries its own risks. If you want to try it, start with a cool shower instead.

The bottom line

The evidence from Cleveland Clinic and Mayo Clinic supports cardiovascular benefits and chronic pain relief. Infrared saunas offer source-backed benefits for heart health and pain – though much of it comes from traditional sauna data. Women-specific benefits (for example, menopause, menstrual pain, postpartum recovery) are unstudied.

They are not a cure for weight loss, detox, or hormonal issues. Do not fall for the marketing. Use them as a wellness tool, not a medical treatment. Start slow, stay hydrated, know the risks, and talk to your doctor if you have any concerns.

If you do that, you will get the benefits without the side effects.

Frequently asked questions

What is the downside to an infrared sauna?

The main downside is the risk of dehydration, dizziness, and overheating if you do not hydrate properly. A risk is erythema ab igne, or “toasted skin syndrome”, a net-like rash from chronic infrared exposure that usually fades after you stop using the sauna, per Northwestern Medicine.

What toxins does an infrared sauna remove?

The idea that infrared saunas flush out heavy metals or pesticides is a marketing myth, per Cleveland Clinic. Your liver and kidneys handle detoxification – sweat is mostly water and electrolytes, so relying on a sauna to clean your system isn’t backed by solid evidence.

How does an infrared sauna differ from a traditional sauna?

Infrared saunas use light to heat your body directly at 110–140°F, while traditional saunas heat the air first to 150–195°F. Infrared operates at lower temperatures and feels more comfortable, but both trigger similar physiological responses like increased heart rate and circulation.

Can infrared saunas help with chronic pain?

Yes, this is supported by a two-year Cleveland Clinic study. It found infrared sauna therapy improved outcomes for chronic pain by increasing circulation, which delivers more oxygen to muscles and helps remove metabolic waste.

Is it safe to use an infrared sauna if I have high blood pressure?

You should check with your doctor first, per Cleveland Clinic. Infrared saunas can help lower blood pressure in some people, but they also raise your heart rate and can cause dizziness – so it is not a one-size-fits-all tool, especially if you are on medication.