After your desired treatment area(s) are determined, marked, and prepped, your CoolSculpting treatment is ready to begin. First, a protective gel is applied to your skYes. The heat from the infrared sauna increases your heart rate and cardiac output, mimicking a cardiovascular workout. Loss of water weight through perspiration is temporary but you can burn up to 600 calories per session. Consistent and frequent sauna use can help to lose weight and improve health.