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Infrared heat is simply a form of energy that is directly transmitted onto objects because of its specific wavelength. It has nothing to do with ultraviolet light which gives you sunburn and damages your skin.
Where conventional saunas use hot air to transfer heat, the infrared heat rays warms your body directly. This allows an in-depth heat in a more pleasant temperature of 35-45C, thus providing more health advantages and providing a highly enjoyable comfortable environment, where you can still breath normally without the discomfort of high humidity or steam.
The sun is our natural supplier of infrared heat. If we put a thermometer in direct sunlight it will indicate a higher temperature than in a shaded area. In the shaded area the thermometer shows the correct temperature. The temperature of the air, however, is the same both in the shade and in direct sunlight. It is only the invisible infrared heat rays that increase the temperature in the direct sunlight. The infrared wavelengths occur between visible light (.76u) and microwave (1000u) on the spectrum.
Sunlight is part of a wide spectrum of frequencies including infrared and ultraviolet rays. Visible sunlight is in the middle of this spectrum. At a lower frequency, light changes to ultraviolet rays that can cause sunburn At a higher frequency, light changes to infrared rays. As well as sunlight, infrared heat is everywhere, even in the palm of your hand. These include short (light), medium-long and long (heat) rays varying from 0.76 u to 1000 u. The 5.6 - 15 u long infrared heat rays are the most beneficial to the human body. This is why the infrared elements of the Physiotherm Infrared Saunas operate in this frequency range.
Conventional saunas need high air temperatures to pull impurities from the body, but infrared heated saunas can directly penetrate up to 45 mm inside the body. Impurities can be pushed out using lower and more comfortable temperatures. Compared to conventional saunas this means many more health benefits.
As the body temperature rises, perspiration occurs and blood circulation increases. The muscles and organs are stimulated and toxic waste (fat, heavy metals and other toxic materials) is removed from your body through perspiration.
The 6-14u long infrared heat rays are the most beneficial to the human body. This is why the infrared elements of a Royale Infrared Sauna operate in this frequency range.
Unlike conventional heating systems which rely on heating the air to warm our bodies, the efficient infrared heat looses less than 20% of its energy in heating the surrounding air, allowing over 80% of the heat energy to be directly converted to heat onto and within our bodies. This energy can then penetrate safely up to 45mm into our skin layer and outer body.
Our body reacts to the increased heating through the natural cooling process of perspiring. Through the perspiration process, acid and waste residue like toxins, sodium, alcohol, nicotine, cholesterol and the potentially carcinogenic heavy metals are removed from the cells (especially zinc, lead, nickel, cadmium, etc). As well as the pores of our skin opening and discharging waste products, the skin sheds any old skin cells, leaving it glowing and immaculately clean, with improved tone, elasticity, texture and colour.
Infrared heat is well known for pain relief. Health professionals have used infrared heat lamps for decades to treat muscle and joint problems. In hospital baby care units, incubators are often equipped with infrared heating systems to keep new-born babies warm. Major medical successes have been achieved recently in the use of infrared light to treat wounds, third degree burns and brain cancer. It is in wide hospital use in the USA to stop mouth sores caused by radiotherapy in cancer patients. Today you can even buy refrigerators that have infrared compartments to keep food fresh.