Infrared Sauna

Infrared saunas show meaningful cardiovascular and recovery benefits, with emerging but less conclusive evidence for detoxification and skin health.

Skin & Anti-Aging Metabolic & Weight

BEvidence

By editorialUpdated 2026-05-251 min read

What it's actually good for

Infrared saunas deliver radiant heat that penetrates the skin more deeply than traditional convection saunas, allowing sessions at lower ambient temperatures. The strongest evidence comes from cardiovascular research: regular sauna bathing is consistently associated with reduced blood pressure, improved vascular function, and lower cardiovascular mortality in large observational studies. For post-exercise recovery, small trials show modest reductions in muscle soreness and improved subjective recovery markers. Claims around detoxification and skin rejuvenation are popular but rest on weaker evidence — while sweating does excrete trace amounts of certain compounds, the clinical significance is unclear. If you enjoy the experience and tolerate it well, an infrared sauna is a reasonable addition to a recovery or wellness routine, but it is not a substitute for exercise, sleep, or medical treatment.

Claim-by-claim

Each claim graded independently

The overall grade is the floor. Some claims are stronger or weaker than the headline.

Infrared sauna use improves cardiovascular function and reduces blood pressure

Multiple observational studies and a systematic review link regular sauna bathing to reduced risk of cardiovascular events and lower blood pressure. Most data comes from Finnish traditional saunas, with fewer trials on infrared specifically.

Infrared sauna sessions support post-exercise recovery and reduce muscle soreness

Small RCTs suggest infrared sauna use after exercise may reduce delayed-onset muscle soreness and improve subjective recovery, though effect sizes are modest and study populations are small.

Infrared sauna use promotes skin health and detoxification through sweating

Claims around heavy metal excretion via sweat exist but are poorly controlled. Some pilot studies show improvements in skin appearance, but rigorous evidence is limited.

Sources

2 cited

[01]METASauna bathing and systemic inflammationLaukkanen JA, Laukkanen T, Kunutsor SK. European Journal of Epidemiology. 2018

[02]OBSAssociation between sauna bathing and fatal cardiovascular and all-cause mortality eventsLaukkanen T, Khan H, Zaccardi F, Laukkanen JA. JAMA Internal Medicine. 2015

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