The Finnish sauna, is the original sauna, or proper, where the temperature can reach up to 70-100 ° C, causing an abundant perspiration from the skin, while the humidity does not exceed 10-20%, except when throwing water on the stones. To the water are sometimes added to effect balsamic essential oils such as, for example, essences of pine or eucalyptus. The stoves can be used in wood or electric. Typically the practice of sauna plans to switch to minutes in the sauna, cold baths or cold showers. For the Finns, the sauna is a place to relax physically and mentally, is not a luxury but a necessity: the Finnish sauna prevents both the psychological and physical stress, reduce pain and tension in muscles and joints, improves the functioning of the internal organs and improves the overall well-being.