Far Infrared Radiation is that part of Sunlight which is beneficial to mankind.
Sunlight is comprised of a wide spectrum of frequencies, including Cosmic rays, Gamma rays, X-Rays, ultraviolet, infrared rays and Microwave.
Visible sunlight is in the middle of this spectrum. At a higher frequency, visible light changes to ultraviolet rays that can cause sunburn.
At a lower frequency, however, sunlight changes to gentle infrared rays. It is these rays that allow the sun to warm you, even on a cold winter's day. Varying in wavelength from 0.76 microns (µ) to 1000µ, Infrared light is everywhere, even in the palm of your hand.
Within this wide spread of frequencies the 6-14µ range is the most therapeutic to the human body.
Because infrared penetrates safely and comfortably up to 4.5cm inside your body, it stimulates your deep tissues and organs, meaning you perspire far more than you do in a traditional sauna. Hard to reach impurities are eliminated through your skin using lower, comfortable temperatures.
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