It is a tool for life that last a lifetime! CARE and MAINTENANCE Because of its unique electro-conductivity kansa is extremely sensitive to how it is cared for. DO NOT CLEAN YOUR kansa wands TOOLS WITH HARSH CHEMICALS OR ABRASIVES. What we recommend is our cleansing with cosmetic clay and tea tree oil. Any clay will do. At the same time you may use a castile soap if you like. In professional aesthetic settings placing your kansa tool in your ultraviole.