The wavelength of infrared radiation is between 5- 15 micron, which belongs to far-infrared radiation, while the wavelength of human radiation is about 9 micron, so far-infrared radiation in this range has a special effect on human health, which can be quickly absorbed by human body, dilate microvessels, promote blood circulation and metabolism, make tissues and cells more energetic, enhance immunity, and is very beneficial to human health.

No side effects!