Are Infrared Saunas Good for Skin? What the Science Says
Short answer: Infrared saunas may have some benefits that are relevant to skin health, particularly by increasing body temperature, sweating and skin blood flow. However, the evidence does not currently prove that infrared saunas can eliminate wrinkles, cure acne, increase collagen, or “detox” the skin.
For people who enjoy sauna bathing, an infrared sauna may be a comfortable way to experience heat and relaxation at a lower ambient temperature than a traditional sauna. But when it comes specifically to your skin, it is important to separate what research has actually demonstrated from the many beauty claims found online.
In this evidence-based guide, we examine what researchers know about sauna bathing, infrared heat, circulation, sweating, skin hydration and skin safety — and where the science is still uncertain.
What Does an Infrared Sauna Do to Your Skin?
Infrared saunas use infrared energy to produce heat. Unlike a traditional sauna, which primarily heats the surrounding air and then your body, an infrared sauna is designed to transfer heat more directly to the body.
This means infrared sauna sessions can produce many of the same basic heat-related responses associated with sauna bathing, including increased skin temperature, sweating and changes in circulation.
The Mayo Clinic notes that infrared saunas can produce physiological responses such as sweating and an increased heart rate at lower temperatures than conventional saunas, although larger and more precise studies are still needed to establish many of the claimed health benefits.
The important distinction
Heat exposure is well established. Specific cosmetic skin benefits are much less certain.
That distinction matters.
An infrared sauna can make your skin feel warm, increase blood flow to the skin and cause you to sweat. But that does not automatically mean it is a treatment for acne, wrinkles, pigmentation, eczema or other dermatological conditions.
What the Science Says
Increased skin blood flow is a real physiological response
When the body is exposed to heat, blood vessels near the skin dilate. This helps the body release heat.
Research on sauna bathing has demonstrated substantial changes in cutaneous circulation during heat exposure.
A separate study examining infrared exposure found changes in superficial skin microcirculation in healthy volunteers. However, this study used a localized infrared device rather than a whole-body infrared sauna, so its findings should not be interpreted as proof that an infrared sauna produces the same skin effects.
What does increased circulation mean for your skin?
Better circulation is important to normal skin physiology because the skin requires oxygen and nutrients supplied through the bloodstream.
However, there is a major difference between:
“Heat increases skin blood flow”
“An infrared sauna will make your skin younger.”
The first is supported by physiological research. The second has not been adequately demonstrated.
Can Infrared Saunas Improve Skin Hydration?
This is one of the more interesting areas of sauna research.
A controlled human study published in Dermatology examined the effects of regular Finnish sauna exposure on skin physiology. Researchers studied 41 healthy volunteers and measured factors including stratum-corneum water-holding capacity, transepidermal water loss, skin redness and surface pH.
The researchers reported more stable epidermal barrier function and increased stratum-corneum hydration among participants with regular sauna exposure.
But there is an important limitation
This study examined regular Finnish sauna bathing, not specifically infrared sauna bathing.
Therefore, it provides interesting evidence about sauna bathing and skin physiology, but it cannot be used to claim that every infrared sauna will produce the same results.
That distinction is important when evaluating wellness claims.
Does Sweating “Detox” Your Skin?
This is one of the most common claims made about sauna use.
Sweating is certainly one of the body's responses to heat. But the popular idea that sauna sweating “detoxes” the body or removes large amounts of toxins through the skin is not supported by strong clinical evidence.
Your liver, kidneys, gastrointestinal tract and other physiological systems play major roles in processing and eliminating substances from the body.
So why can your skin look different after a sauna?
There are several possible explanations:
- Increased skin blood flow can temporarily make the skin look flushed.
- Sweating increases moisture on the skin surface.
- Heat can temporarily change the appearance and feel of the skin.
- Washing after a session removes sweat, oil and surface debris.
These effects can make your skin feel refreshed, but they should not be confused with medical detoxification.
Infrared Sauna vs. Traditional Sauna for Skin
A side-by-side comparison of thermal mechanics, physiological effects, and clinical evidence.
| Feature | Infrared Sauna | Traditional Sauna |
|---|---|---|
| Main heat source | Infrared energy | Heated air and sauna surfaces |
| Typical environment | Lower ambient temperature | Higher ambient temperature |
| Sweating | Yes | Yes |
| Increased skin temperature | Yes | Yes |
| Skin blood-flow response | Expected with heat exposure | Well documented with heat exposure |
| Evidence specifically for cosmetic skin benefits | Limited | Limited to moderate for some physiological measures |
| Evidence for treating wrinkles | Insufficient | Insufficient |
| Evidence for treating acne | Insufficient | Insufficient |
| Evidence for “detoxing” the body | Not established | Not established |
| Main consideration | Heat exposure and hydration | Heat exposure and hydration |
The Mayo Clinic explains that infrared saunas can produce heat-related physiological responses at lower temperatures than traditional saunas, while also noting that more research is needed to establish many proposed health benefits.
Can Infrared Saunas Help With Acne?
This is where it is particularly important to avoid exaggerated claims.
There is currently not enough high-quality clinical evidence to say that infrared sauna therapy is an effective acne treatment.
Sweating can change the skin environment temporarily, but sweat itself is not an acne treatment. In some people, prolonged heat, sweat, friction or occlusion could potentially aggravate certain skin problems.
If you have persistent or moderate-to-severe acne, evidence-based dermatological treatments should remain the priority.
A sauna can be part of a wellness routine, but it should not replace appropriate medical treatment.
What About Wrinkles and Collagen?
You will often see claims that infrared saunas:
- stimulate collagen
- reduce wrinkles
- tighten the skin
- reverse aging
- increase elasticity
These claims should be treated cautiously.
Heat can produce changes in circulation and other physiological responses, but that does not establish that routine infrared sauna use produces clinically meaningful anti-aging effects.
At present, there is insufficient evidence to recommend infrared sauna bathing as a proven wrinkle treatment or collagen-building therapy.
What should you expect instead?
A more realistic expectation is that your skin may temporarily look:
warmer → more flushed → more hydrated on the surface → refreshed after cooling and cleansing.
Those short-term effects are different from permanent changes in skin structure.
What About Sensitive Skin?
Sauna heat is not automatically beneficial for every skin type.
Some people tolerate heat very well. Others may experience:
- • redness
- • itching
- • irritation
- • dryness
- • heat rash
- • worsening of heat conditions
Older dermatological literature has also described situations in which sauna heat or sweating can aggravate itching in some people with atopic dermatitis or trigger heat-related hives in susceptible individuals.
If you have a diagnosed skin condition, particularly one that becomes worse with heat, ask your dermatologist whether sauna use is appropriate for you.
What the Science Says: The Bottom Line
“The strongest evidence supports sauna-related physiological responses such as increased skin blood flow and sweating. Evidence for specific cosmetic outcomes — such as fewer wrinkles, more collagen or clearer acne-prone skin — is much more limited.”
That is an important distinction.
A 2018 systematic review of dry sauna research identified 40 clinical studies involving 3,855 participants, but only 13 were randomized controlled trials, and many studies were small. The researchers concluded that additional higher-quality research is needed to determine the effects of different sauna types, frequencies and durations.
In other words:
Sauna research is promising in some areas, but it is not a license to make every skincare claim imaginable.
Are Infrared Saunas Good for Skin?
Our evidence-based answer
They may be beneficial for some aspects of skin physiology, but they should not be considered a proven skin-treatment device.
An infrared sauna can expose your body to controlled heat, which can increase skin temperature, cause sweating and increase skin blood flow. Sauna research also provides some evidence of changes in skin-barrier function and hydration with regular traditional sauna exposure.
However, there is currently insufficient evidence to conclude that infrared saunas:
- • eliminate wrinkles
- • rebuild collagen
- • cure acne
- • reverse skin aging
- • remove toxins from the body
- • replace dermatological treatment
For most healthy adults who enjoy sauna bathing, the potential skin-related benefits are better understood as secondary effects of heat exposure rather than a proven cosmetic treatment.
How to Use an Infrared Sauna More Safely
If you decide to use an infrared sauna, a sensible approach is to start gradually.
1. Start with shorter sessions
If you are new to sauna use, begin with a shorter session rather than immediately spending a long period in high heat.
Cleveland Clinic recommends listening to your body and notes that beginners may need to start with shorter sessions.
2. Drink enough fluids
Sweating means you are losing fluid.
Hydrate before and after your session and avoid treating temporary post-sauna weight loss as fat loss. Cleveland Clinic specifically identifies dehydration as one of the major risks associated with sauna use.
3. Don't stay in if you feel unwell
Leave the sauna if you experience:
- • dizziness
- • weakness
- • nausea
- • unusual shortness of breath
- • confusion
- • significant discomfort
If symptoms are severe or do not resolve, seek medical attention.
4. Take care of your skin afterward
After a sauna session:
- Allow your body to cool gradually.
- Rinse away sweat if appropriate.
- Avoid excessively harsh cleansing.
- Apply a moisturizer if your skin feels dry.
- Continue normal sun protection during the day.
A sauna does not replace sunscreen, a balanced skincare routine or appropriate dermatological care.
Who Should Talk to a Doctor Before Using a Sauna?
Sauna use is not appropriate for everyone.
Cleveland Clinic recommends discussing sauna use with a healthcare provider in situations including pregnancy, certain cardiovascular conditions, blood-pressure concerns, some neurological conditions and when taking certain medications. It also advises avoiding sauna use after a recent heart attack or stroke and after consuming alcohol.
If you have a medical condition or are unsure whether heat exposure is appropriate for you, speak with your physician before beginning regular sauna sessions.
Doctor & Expert Perspective
What medical guidance tells us
The most responsible medical position is not that infrared saunas are either a miracle skincare treatment or completely useless.
Instead, the evidence suggests that sauna bathing produces genuine physiological responses to heat, while the evidence for many specific therapeutic and cosmetic claims remains incomplete.
The Mayo Clinic similarly describes infrared sauna research as an area with potentially interesting findings while emphasizing the need for larger and more precise studies.
That is why consumers should be cautious with claims promising dramatic changes in skin appearance.
What the Science Says About Infrared Specifically
Infrared technology deserves another important distinction.
Not every study involving “infrared” has studied an infrared sauna.
Researchers have investigated infrared-emitting devices, localized infrared treatments, traditional saunas and far-infrared saunas under different conditions.
For example, a 2024 Phase 1 clinical trial investigated a far-infrared emitting patch and found changes in local skin perfusion, microcirculation and oxygenation. But because the intervention was a localized patch rather than whole-body sauna exposure, it cannot automatically be translated into claims about infrared sauna therapy.
This is exactly why reading the original study — rather than just the headline — matters.
Frequently Asked Questions
Direct answers to common patient questions regarding infrared thermal therapy and skin health.
The Takeaway
If your question is simply “Are infrared saunas good for skin?”, the most accurate answer is:
They may support some normal physiological processes associated with heat exposure, but the evidence does not yet justify treating infrared sauna use as a proven anti-aging, acne or collagen therapy.
The strongest reasons to enjoy an infrared sauna are therefore broader than skincare alone: relaxation, heat exposure and the overall wellness experience.
For skin health, continue to rely on the fundamentals that have much stronger evidence behind them: sun protection, adequate hydration, gentle cleansing, moisturization, nutritious food, adequate sleep and appropriate medical care when needed.
And when a wellness claim sounds too good to be true, look for the original research.
Explore Infrared Saunas
If you are interested in exploring home infrared sauna models, heating technologies, and specifications for relaxation and personal wellness routines, you can browse available options at Infinity Saunas.
Scientific References & Further Reading
Clickable direct citations to peer-reviewed literature, clinical databases, and medical institutions.
1. Sauna and skin-barrier function
Kowatzki D, Macholdt C, Krull K, et al. Effect of regular sauna on epidermal barrier function and stratum corneum water-holding capacity in vivo in humans: a controlled study. Dermatology. 2008;217(2):173-180.
View PubMed Record: 185252052. Infrared sauna health evidence
Mayo Clinic. Do infrared saunas have any health benefits? Expert Answers.
Read Mayo Clinic Guidance3. Sauna research systematic review
Hussain J, Cohen M. Clinical Effects of Regular Dry Sauna Bathing: A Systematic Review. Evid Based Complement Alternat Med. 2018;2018:1857418.
View PubMed Record: 298496924. Far-infrared and skin microcirculation
A Phase 1 randomized, open-label clinical trial to evaluate the effect of a far-infrared emitting patch on local skin perfusion, microcirculation and oxygenation.
View PubMed Record: 379505495. Sauna and skin blood flow
Smolander J, Kolari P. Laser-Doppler and plethysmographic skin blood flow during exercise and during acute heat stress in the sauna. Eur J Appl Physiol Occup Physiol. 1985;54(4):379-382.
View PubMed Record: 2933255Medical & Safety Disclaimer
This article is intended for general educational and informational purposes only. It is not medical advice and does not diagnose, treat, cure or prevent any disease or medical condition.
Research concerning sauna bathing and infrared therapy is still developing, and evidence for specific skin-related benefits remains limited. Individual responses to heat exposure vary.
If you are pregnant, have a cardiovascular or neurological condition, have problems with blood pressure, take prescription medications, have a heat-sensitive medical condition, or have any other health concern, consult a qualified healthcare professional before using an infrared or traditional sauna.
Never use a sauna while intoxicated, and leave immediately if you feel dizzy, weak, confused, nauseated or otherwise unwell.
Last reviewed: September 2026
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