An infrared sauna is a type of sauna that uses light to create heat . This type of sauna is sometimes called a far-infrared sauna “far” describe where the infrared waves fall on the light spectrum . A traditional sauna uses heat to warm the air, which in turn warms your body. An infrared sauna heats your body directly without warming the air around you. The appeal of saunas is general is that they cause reactions similar to those elicited by moderate exercise, such as vigorous sweating and increased heart rate. An infrared sauna produces these results at lower temperature than dose a regular sauna, which makes it accessible to people who cannot tolerate the heat of a conventional sauna.