Solocarbon 3-in-1®
Infrared Therapy

Patented 3-in-1 Technology Delivers the Full Infrared Spectrum

The Solocarbon 3-in-1 is the only sauna heater on the market that can provide all three infrared wavelengths in one place.

The infrared spectrum consists of near (NIR), mid (MIR), and far (FIR) waves, each with distinct characteristics and frequency ranges.  It’s impossible to deliver these three peak wavelengths at one time from a single source. That’s why Sunlighten developed a unique technology that combines three heating elements in one sauna heater. All heaters must be covered as a standard safety hazard precaution. Sunlighten provides non-toxic and highly emissive carbonized bamboo as a protective cover on our Solocarbon® heating technology, having our customer’s ultimate comfort & safety in mind! 

Click HERE for Bamboo Carbon Safety and click HERE for Bamboo Carbon Emissivity 3rd party testing.

Unique Design Combines Three Heaters in One

Solocarbon 3-in-1 heaters combine three distinct components within a single heating panel to provide near, mid, and far infrared at their peak wavelengths.

Our patented Solocarbon heater coating produces high quality FIR heat – 99% effective in the 3-in-1 heater design! See Emissivity Testing of Solocarbon Heaters. The materials used in our heater coating are FDA approved which ensures that it is non-toxic. It is also a more efficient heat source and consumes less energy. 

A separate layer of Kapton® polyimide, a lightweight material used in space applications, can be heated independently to much higher temperatures in order to produce MIR wavelengths. And our patented LED technology produces consistent NIR wavelengths without extreme heat or light. 

Heat sensors keep all wavelengths at a consistent output based on clinical research. The Solocarbon 3-in-1 heater provides controllable heating zones for the utmost personalization, comfort, and results.

Patent US8737827B2
Patent US8588593B2

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The Infrared Spectrum

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Near Infrared

Near infrared (NIR) is the shortest infrared wavelength and penetrates the skin’s surface more effectively than the other two. Scientific research shows that when delivered at the vital wavelength of 880nm without extreme heat or light, NIR promotes skin renewalcell healthwound healing, and tissue growth.

NIR heaters consisting of high-wattage halogen bulbs at extremely high temperatures are not comfortable or beneficial. In order to make NIR heat safe for saunas, we used NASA research to develop a patented LED array that provides NIR at a singular wavelength with minimal variability and virtually undetectable heat and light.

LEDs are effective because they can trigger a natural photo-biochemical reaction (similar to how plants use chlorophyll to convert sunlight into plant tissue). Research from Dr. Harry Whelan, it takes a specific joule of NIR energy to deliver the wavelength needed to penetrate human tissue.

Mid Infrared

Mid infrared (MIR) is a longer wavelength that can penetrate deeper into the body’s soft tissue where inflammation occurs. MIR helps expand blood vessels and increases circulation, so more oxygen can reach injured areas of the body. This reduces pain and speeds the healing process. View 3-in-1 study on pain relief.

To produce MIR, sauna heaters must be able to maintain a surface temperature of 250⁰C. Though many sauna companies claim to provide full spectrum, the polypropylene material used in their heaters actually melts at the high temperature required for MIR. We worked with engineers and scientists to overcome this obstacle by using a higher quality product – DuPont’s Kapton® polyimide film—a high tech material made to tolerate the high heat required to produce MIR. Plus, since our full spectrum heaters are made up of three distinct heating elements, the MIR layer can be heated independently to a higher temperature than the FIR layer.

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Far Infrared

The longest wavelength, far infrared (FIR), reaches deepest into the body, where toxins are stored. By raising your core body temperature, FIR stimulates the sweat glands, resulting in a deep, detoxifying sweat that leaves you feeling revitalized. Plus, since sweating increases heart rate, cardiac output, and metabolic rate, you’re also burning calories.

We already achieved the most effective far infrared heater with our highly emissive Solocarbon heater coating . We’ve applied that same coating to our polyimide panel and discovered this application makes it 99% emissive! This is why Solocarbon panels are the only far infrared heaters clinically shown to raise core body temperature nearly 3° for the most detoxifying sweat, lower systolic and diastolic blood pressure and aid in weight loss.

Personalize Your Sunlighten Light Therapy

Because the three heating mechanisms within our full spectrum heaters operate independently, you can program them to generate any combination of NIR, MIR, and FIR heat. You can optimize the IR power, output, and intensity based on your specific needs during each sauna session. Or you can choose one of our preset wellness programs.

Research shows that specific parts of the infrared spectrum are effective at producing different health benefits. Our 3-in-1 sauna blends the optimal wavelengths—near, mid, and far—to achieve specific results. Eight preset wellness programs are ready to use at the touch of a button.

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