Comes with 2 cartridges (750 pulse each, total of 1500 pulse) or one 1500 pulse cartridge ($45 Value). Made for women and men, Silk'n SensEpil Hair Removal Device is an FDA-Cleared, face and body hair removal device that has been proven to achieve, excellent, professional-level hair removal results for both the face and body in the comfort of your home. The Silkn home device has been shown to achieve significant hair reduction in the face from the cheekbones level down to the chin, around the lips, cheeks, neck, underarms, arms, legs, bikini line, back, and chest after only 4-6 hair removal sessions with Silk'n SensEpil. Silk'n SensEpil device has been tested by top dermatologists and plastic surgeons who concluded that Silk'n SensEpil can be used safely, easily, and effectively in a home environment. Silk'n SensEpil comes with an instructional CD and guide. Each lamp cartridge lasts for 750 pulses, which is about one full body treatment (legs, arms, underarms and bikini).