Infrared Sauna — Guide & FAQ
Everything you need to know about infrared sauna therapy — from your first session to building an advanced recovery protocol.
What Is an Infrared Sauna?
Unlike traditional saunas that heat the surrounding air, infrared saunas use infrared and near-infrared light to heat the body directly. This allows for a deeper, more comfortable heat experience while operating at lower temperatures.
How It Works
- Infrared light penetrates beneath the skin’s surface to warm the body directly
- Generates a deep, invigorating sweat response
- Supports circulation, relaxation, recovery, and overall wellness
- Operates at lower temperatures than traditional saunas, making longer sessions more comfortable
Infrared vs. Traditional Sauna
| Feature | Infrared Sauna | Traditional Sauna |
|---|---|---|
| Temperature | 110–150°F | 180–200°F |
| Heating method | Heats the body directly | Heats the surrounding air |
| Tissue penetration | Deeper tissue penetration | Primarily surface heating |
| Session comfort | Comfortable for longer sessions | Higher heat intensity |
| Sweating | Efficient sweating at lower temperatures | Requires higher ambient heat |
Benefits of Infrared Sauna Therapy
Regular infrared sauna use may support:
- Deep relaxation and stress reduction
- Improved circulation
- Muscle recovery and reduced soreness
- Cardiovascular wellness
- Enhanced metabolic activity
- Increased perspiration and detoxification support
- Better sleep quality
- Overall wellness and recovery
Many users notice relaxation and improved sleep within the first week, while recovery and cardiovascular benefits typically develop with consistent use over several weeks.
Before Your Session
Hydrate Well
Drink water before, during, and after your sauna session to replace fluids lost through sweating.
Hydration tip: Weigh yourself before and after your session and replace each pound lost with approximately 16 oz of water.
Clothing Recommendations
For maximum infrared exposure:
- Wear a swimsuit, towel, or minimal clothing
- Avoid heavy clothing that traps heat
- Allow sweat to evaporate naturally
Remove Jewelry
Metal jewelry may become hot during use and can cause discomfort or burns. Remove all metal jewelry before entering.
Recommended Sauna Protocol
| Level | Temperature | Duration | Frequency |
|---|---|---|---|
| Beginner | 110–125°F | 10–20 min | 2–3x/week |
| Intermediate | 120–140°F | 20–30 min | 3–5x/week |
| Advanced | 130–150°F | 30–45 min | 4–7x/week |
Always listen to your body and gradually increase duration and temperature over time.
Safety Guidelines
Consult your healthcare provider before use if you:
- Are pregnant or nursing
- Have cardiovascular conditions
- Have uncontrolled blood pressure
- Have implanted medical devices such as pacemakers
- Have metal or silicone implants
- Have any significant medical concerns
Note: Most metal implants typically reflect infrared energy rather than absorb it, but physician clearance is still recommended before use.
Listen to Your Body
Exit the sauna immediately if you experience:
- Dizziness or lightheadedness
- Nausea
- Excessive discomfort
- Signs of overheating
Frequently Asked Questions
How is an infrared sauna different from a traditional sauna?
Traditional saunas heat the air to approximately 180–200°F. Infrared saunas heat the body directly using infrared light while operating at a more comfortable 110–150°F. This allows for deeper tissue warming, efficient sweating, and longer, more comfortable sessions.
How much should I sweat?
Significant sweating is normal and expected. Sweat rates vary between individuals, but increased perspiration typically develops as your body adapts to regular sauna sessions. Always prioritize hydration before and after use.
Can I use my phone, read, or listen to music inside?
Yes. Many users enjoy audiobooks, podcasts, meditation, breathwork, or reading during their session. Keep electronic devices away from direct contact with heating elements and avoid exposing them to excessive heat.
Can I combine infrared sauna and cold plunge therapy?
Yes. Contrast therapy is one of the most effective recovery and resilience protocols available.
Example contrast protocol:
- Sauna: 10–15 minutes
- Cold Plunge: 1–3 minutes
- Rest: 5 minutes
- Repeat for 3–4 rounds based on experience and tolerance
Benefits may include enhanced circulation, improved recovery, reduced soreness, increased resilience, and mental clarity.
How long until I notice results?
Within the first week: relaxation, stress reduction, improved sleep quality.
Within 4–8 weeks: improved cardiovascular conditioning, enhanced recovery, increased resilience, body composition support, and long-term wellness benefits.
Consistency is the key to achieving lasting results.
How often should I use my infrared sauna?
- 2–3 sessions/week — general wellness
- 3–5 sessions/week — recovery and performance
- Daily — experienced users who tolerate heat well
The best schedule is one you can maintain consistently.
What should I do after my sauna session?
- Rehydrate with water and electrolytes
- Allow your body temperature to normalize gradually
- Stretch or walk lightly if desired
- Avoid cold showers immediately — allow your body to cool naturally for 5–10 minutes first
How do I maintain my infrared sauna?
- Wipe interior walls and bench with a damp cloth after each use
- Leave the door open after sessions to allow full drying
- Deep clean the interior with a mild, wood-safe cleaner monthly
- Inspect heating elements and electrical connections every 6 months
Ready to Start?
Explore our Core Heat collection to find the right infrared sauna for your home or clinic. Or build a complete recovery system with our Core Recovery Bundles — pair your sauna with a cold plunge for the ultimate contrast therapy setup.
Have more questions? Contact our team or explore the full Core Biowellness Onboarding Guide.