Near Infrared Saunas Explained: Benefits, Cost, and How They Work

Near infrared saunas use specific wavelengths of light (700–1,200 nanometers) to penetrate the skin’s surface and warm the body from within, offering a distinct set of benefits compared to traditional or far infrared saunas. Unlike far infrared, which heats the whole body more deeply, near infrared targets the skin and superficial tissues, making it a popular choice for skin health, wound healing, and localized pain relief. This guide explains everything you need to know about near infrared saunas, including how they work, their potential benefits, costs, safety considerations, and how they compare to other sauna types.

What Is a Near Infrared Sauna?

A near infrared sauna is a type of sauna that uses near infrared light (700–1,200 nm) to heat the body directly, rather than heating the air around you. Unlike traditional saunas that warm the air to high temperatures, near infrared saunas operate at lower ambient temperatures (typically 100–140°F) while the infrared light penetrates the skin to produce a deep, warming effect. This allows for a more comfortable experience for those who find traditional saunas too intense. According to a 2023 review in the Journal of Photochemistry and Photobiology, near infrared light can stimulate cellular repair and improve circulation, which is why it’s used in both medical and wellness settings.

Why Do People Use Near Infrared Saunas?

People use near infrared saunas for a variety of health and wellness reasons, including relaxation, muscle recovery, and skin improvement. The light energy is absorbed by the skin and underlying tissues, promoting increased blood flow and cellular activity. A 2021 study published in the Journal of Clinical and Aesthetic Dermatology found that near infrared light can improve skin tone and reduce the appearance of fine lines. Additionally, many athletes use near infrared saunas to speed up muscle recovery after intense workouts, as the light may help reduce inflammation and oxidative stress.

Who Is This For?

Near infrared saunas are ideal for individuals who are new to sauna therapy and prefer a more gentle heat experience, as well as for those specifically interested in skin health, localized pain relief, or improved athletic recovery. If you have health conditions that make high-heat environments uncomfortable, such as multiple sclerosis or heat sensitivity, near infrared saunas offer a lower-temperature alternative. However, it’s always wise to consult with a healthcare provider before starting any new wellness routine, especially if you have chronic conditions or are pregnant.

How Does a Near Infrared Sauna Work?

Near infrared saunas work by emitting light in the near infrared spectrum, which penetrates the skin to a depth of about 1–2 millimeters. This light energy is absorbed by the mitochondria in your cells, stimulating the production of adenosine triphosphate (ATP) — the energy currency of the body. This process, known as photobiomodulation, is thought to enhance cellular repair and reduce inflammation. The sauna typically uses carbon or ceramic heaters that emit near infrared light, and you sit or lie inside while the light warms your body directly. Unlike far infrared saunas, which heat the entire body from the surface inward, near infrared’s shallow penetration means the effect is more localized.

What Are the Benefits of Near Infrared Saunas?

Near infrared saunas offer a range of potential benefits, supported by emerging research:

• Skin health and anti-aging: Near infrared light can stimulate collagen production, improving skin elasticity and reducing wrinkles. A 2020 study in Lasers in Surgery and Medicine demonstrated significant improvements in skin texture after 12 weeks of near infrared therapy.
• Muscle recovery and pain relief: The light helps reduce inflammation and promote blood flow, which can ease muscle soreness and joint pain. According to the Journal of Athletic Training (2022), near infrared light therapy is used by physical therapists to treat conditions like tendinitis and arthritis.
• Improved circulation: The warming effect dilates blood vessels, enhancing blood flow and potentially supporting cardiovascular health. The American Heart Association notes that sauna use, in general, can improve vascular function, though more research is needed on near infrared specifically.
• Relaxation and stress reduction: The gentle warmth and quiet environment promote relaxation, helping to lower cortisol levels. A 2021 survey by the Global Wellness Institute found that 62% of sauna users cite stress relief as a primary reason for regular use.
• Detoxification: While often touted, the detox claims are debated. The body primarily detoxifies through the liver and kidneys, and sweating from saunas may help eliminate small amounts of heavy metals, but this is not a scientifically proven benefit. A 2023 review in Environmental Health Perspectives concluded that sauna-induced sweating is not a reliable method for removing significant toxins.

How Does a Near Infrared Sauna Compare to Other Saunas?

To help you understand the differences, here’s a comparison of near infrared, far infrared, and traditional steam saunas:

Feature	Near Infrared Sauna	Far Infrared Sauna	Traditional Steam Sauna
Wavelength	700–1,200 nm	1,200–10,000 nm	N/A (steam)
Heat Penetration	Shallow (1–2 mm)	Deeper (up to 4 cm)	Heat from air and steam
Air Temperature	100–140°F	120–150°F	150–195°F
Primary Benefits	Skin, localized pain, recovery	Deep muscle relaxation, detox	Cardiovascular, deep heat
Typical Session Length	20–30 minutes	30–45 minutes	10–20 minutes
Ideal For	Beginners, skin concerns, targeted relief	Chronic pain, full-body relaxation	Traditional sauna enthusiasts

How Much Does a Near Infrared Sauna Cost?

Near infrared saunas can be purchased as home units or used at commercial spas and wellness centers. Home units range from $1,500 to $5,000 for a basic single-person sauna, while larger multi-person models can cost $5,000 to $10,000 or more. Installation may add $500 to $1,500 depending on electrical requirements. Commercial sessions typically cost $30 to $60 per 30-minute session. According to the 2024 Sauna Market Report by the International Sauna Association, the average price for a home near infrared sauna is $3,200, with an expected lifespan of 10–15 years.

What Are the Safety and Side Effects of Near Infrared Saunas?

Near infrared saunas are generally safe for most people, but there are some considerations. The light can cause skin irritation or burns if used improperly, so it’s important to follow the manufacturer’s guidelines and start with short sessions. People with light-sensitive conditions, such as lupus or porphyria, should avoid near infrared saunas. Additionally, because the sauna doesn’t heat the air as much, you may not sweat as much as in a traditional sauna, which can lead to dehydration if you don’t drink enough water. Always hydrate before and after your session. According to the American Cancer Society, infrared saunas are not a proven cancer treatment and should not replace conventional medical care.

What Are the Alternatives to Near Infrared Saunas?

If you’re considering a near infrared sauna but are unsure, here are some alternatives:

• Far infrared saunas: These provide deeper heat and are better for full-body relaxation and detoxification (though detox benefits are debated). They are often more expensive but offer a similar low-temperature experience.
• Traditional steam saunas: These use high humidity and high heat, providing a classic sauna experience that many find invigorating. They are typically more affordable but require more heat tolerance.
• Red light therapy panels: These are not saunas but use similar near infrared light to target specific areas of the body. They are cheaper and more portable, making them a good option for localized treatment.
• Cold plunge or contrast therapy: For recovery, some people alternate between cold water immersion and sauna use to enhance circulation and reduce inflammation.

Each option has its own pros and cons, so consider your primary goals and budget when choosing.

How to Use a Near Infrared Sauna Safely and Effectively

To get the most out of your near infrared sauna, follow these steps:

1. Hydrate: Drink a glass of water before your session.
2. Start slow: Begin with 10–15 minute sessions and gradually increase to 20–30 minutes as your body adapts.
3. Dress comfortably: Wear minimal clothing or a towel to allow the light to reach your skin.
4. Position yourself: Sit or lie so that the area you want to target is exposed to the light.
5. Cool down: After your session, take a cool shower and drink more water to rehydrate.
6. Listen to your body: If you feel dizzy or uncomfortable, end the session immediately.

For best results, use the sauna 3–4 times per week, and combine with a healthy lifestyle.

What Is the Evidence for Near Infrared Sauna Benefits?

The scientific evidence for near infrared saunas is growing, but it’s important to note that many studies are small or preliminary. A 2022 meta-analysis in the Journal of Photochemistry and Photobiology reviewed 20 randomized controlled trials and found that near infrared light therapy significantly reduced pain and inflammation in patients with musculoskeletal conditions. However, the authors noted that more research is needed to determine optimal dosing and long-term effects. The National Institutes of Health (NIH) has funded ongoing research into photobiomodulation, the underlying mechanism, with promising results for wound healing and nerve regeneration. As of 2026, the FDA has cleared certain near infrared devices for pain relief and skin treatment, but not for general wellness claims.

What Are the Risks and Limitations of Near Infrared Saunas?

The main risks are skin burns and eye damage if the light is directed at the eyes. Always wear protective goggles if your sauna doesn’t include them. Overuse can lead to overheating and dehydration, so stick to recommended session times. Additionally, the benefits are not universal — some people may not notice significant improvements. The cost of home units can be a barrier, and commercial sessions add up over time. Finally, while near infrared saunas are marketed for detoxification, there is limited scientific support for this claim, so approach such promises with skepticism.

Now That You Understand the Basics

You now have a solid understanding of near infrared saunas, including how they work, their potential benefits, costs, and safety. If you’re considering adding one to your wellness routine, weigh the pros and cons carefully and consult a healthcare professional if you have any underlying health conditions. For more in-depth comparisons and user experiences, explore our related guides on far infrared saunas and red light therapy.