A session will last 45 minutes. For mild to moderate respiratory conditions 10 to 12 sessions are recommended, depending on individual results. For skin issues it really depends on the severity of the skin, so would be on a case by case basis. For best results the sessions should be 4 to 5 times per week. Since everybody responds differently to therapy, this is provided as an average upon which to gauge your personal experience. After that, one time a week for maintenance is recommended.