One single treatment can get instant and amazing result. Completely non-invasive, you can put on make-up 15 minutes after treatment.Painless and no side effects. Result can last at least one to two years. Be suitable for any skin color, and any age women and men. One handle with five cartridges, 1.5, 3.0, 4.5, 8.0 and 13 reaching different depth of deep skin, and work on different area on face and neck and body. Make the treatment more accurately. Long lifetime. Every cartridge has 10,000 shots. You just need to change the cartridges after lifetime finished. Energy through epidermis with no trace. Never worry about the epidermis injuries..syi