COMBO PACK includes one SensEpil unit plus 3 addition disposable lamp cartridges for a total of 4 lamp cartridges! SAVE ON THE PRICE of a cartridge by purchasing this combo pack!!! Throw out your razor and forget about tweezing, plucking and waxing to get rid of your unwanted hair. Silk'n SensEpil is a physician approved home-use device for obtaining laser like hair removal results. Silk'n SensEpil uses highly sophisticated Home Pulsed Light (HPL) technology to safely and effectively provide you with proven long-term hair removal results.