Saunas: Dry and Steam, What's the Difference and Which One is Right for You?
You've probably heard someone say, "I just need to sweat it out." And honestly? They're not wrong. Whether you're stiff from sitting at a desk all day, recovering from a nagging injury, or just feel like your body needs a reset, saunas have been doing the heavy lifting for centuries. But there's more than one way to sweat, and knowing which type works best for your body can make a real difference.
Here's the short answer: dry saunas use heated air with low humidity, usually between 160,190°F, while steam saunas use moist heat at lower temperatures, around 110,120°F, with nearly 100% humidity. Both feel intense, both make you sweat, and both offer real health benefits. But they work differently in your body, and one might suit your goals better than the other.
What Saunas Actually Do to Your Body
Think of a sauna session like a passive workout for your cardiovascular and lymphatic systems. You sit still, but your body is working hard behind the scenes.
When you're exposed to heat, your heart rate goes up. Your blood vessels open wider. Your body starts pushing blood toward the skin to cool itself down. This whole process mimics some of the effects of light aerobic exercise, which is a big deal for people who can't move much due to injury, chronic pain, or a sedentary lifestyle.
Here's what's happening under the surface:
Circulation picks up. Your heart pumps harder to move blood to the surface of your skin. Over time, regular sauna use has been linked to better cardiovascular health.
Muscles relax. Heat loosens tight muscles and connective tissue. If you've been dealing with stiffness from sitting too long or recovering from a strain, heat can help soften that tension.
Inflammation goes down. Research shows that regular heat exposure can lower markers of systemic inflammation, which shows up in conditions like arthritis, back pain, and post-injury recovery.
Stress hormones drop. Heat triggers the release of endorphins and helps lower cortisol, the stress hormone that keeps your body in fight-or-flight mode.
For people who are new to exercise, healing from an injury, or just not moving much throughout the day, saunas offer a low-barrier way to start supporting the body's natural recovery systems.
Dry Sauna Benefits: What the Research Says
A dry sauna feels like stepping into an oven, but in the best possible way. The air is hot and dry, usually heated by rocks or electric panels. You sweat almost immediately, and most sessions last 10,20 minutes.
The research behind dry saunas is pretty solid, especially for heart health and muscle recovery.
A long-running study out of Finland, where sauna use is practically a national sport, followed over 2,000 men for more than 20 years. The men who used a dry sauna four to seven times per week had significantly lower rates of heart disease and stroke compared to those who went once a week. That's not a small finding.
Here’s a link to the study for more reading → JAMA International Medicine
Dry saunas have also been studied for their effects on muscle soreness. Athletes use them after training to speed up recovery. For someone coming back from a physical setback, like a knee injury or months of inactivity, heat therapy can help the body repair faster and hurt less while doing it.
Other benefits backed by research include:
Better sleep. The drop in core body temperature after a sauna session signals your brain that it's time to rest.
Joint pain relief. People with rheumatoid arthritis and chronic pain conditions report fewer symptoms with regular dry sauna use.
Improved lung function. Some studies point to benefits for people with mild respiratory conditions.
If you tend to run cold, feel stiff in the mornings, or are working through chronic pain, a dry sauna might become your new favorite weekly habit.
Steam Sauna Benefits: What the Research Says
A steam sauna, sometimes called a steam room, feels like being wrapped in a warm, wet cloud. The humidity is near 100%, and even though the temperature is lower than a dry sauna, it can feel more intense because the moisture traps heat against your skin.
Where dry saunas shine for cardiovascular and muscle benefits, steam saunas have a strong reputation for respiratory and skin health.
The warm, humid air helps open up the airways. If you've ever held your face over a bowl of hot water to relieve congestion, you already understand the basic principle. For people dealing with allergies, sinus issues, or mild asthma symptoms (always check with your doctor first), steam can offer real relief.
The Cleveland Clinic has a great overview article too, if you’re interested in more professionally-supported research.
Steam saunas are also great for skin. The moisture hydrates the outer layers of skin while the heat opens pores and encourages your body to flush out impurities through sweat. Regular steam users often report softer, clearer skin over time.
Other studied benefits include:
Reduced muscle tension. The moist heat penetrates deeply into muscle tissue, making it especially helpful before a yoga or Pilates session when you want your body to move freely.
Improved circulation. Like dry saunas, steam rooms cause blood vessels to expand and blood flow to increase.
Recovery support. Moist heat has been shown to help reduce delayed onset muscle soreness (DOMS) after physical activity.
If your main concerns are breathing easier, skin health, or loosening up tight muscles before movement, steam is worth trying.
Tips for Beginners: How to Start Safely
If you've never used a sauna before, it can feel a little intimidating. Here's how to start smart:
Start short. Your first session should be no longer than 5,10 minutes. You can work up to 15,20 minutes as your body adjusts.
Drink water before and after. You'll sweat more than you expect. Go in hydrated, and drink water right after your session.
Don't go in after a big meal. Wait at least an hour after eating. Your body is already working to digest; adding intense heat on top of that can make you feel sick.
Listen to your body. Feeling dizzy, lightheaded, or nauseous are signs to get out and cool down. Saunas are supposed to feel good, not overwhelming.
Talk to your doctor if you have health conditions. Heart conditions, blood pressure issues, pregnancy, and certain medications can make sauna use risky. A quick check-in with your provider is worth it.
Saunas work best as a regular habit, not a one-time fix. Even two to three sessions per week can start to make a noticeable difference in how you feel.
Ready to see what a sauna session can do for you? Come experience our dry sauna at Salted Wellness Studios and pair it with red light therapy, sound meditation, or a restorative Pilates class for a full-body reset.