Relax Saunas distributes far infrared ray (FIR) portable saunas and FIR medical lamps to dental & medical professionals who recognize that Relax Saunas help improve and maintain health. Relax Saunas emit pure FIR at levels strong enough to penetrate tissue, vibrate water molecules in the body, and increase core body temperature by as much as three to four degrees in just 25-60 minutes. This improves circulation, stimulates parts of the immune system, and reduces inflammation and pain. Relax Saunas provide warmth in 20 seconds, and a rich detoxifying sweat in only 20 minutes.