Replacement Cartridges will be required – The cartridge lifetime is 1000 pulses which is plenty according to the guys at Silk’n who advise that each use on the face and neck area requires only approximately 20 flashes. Users report that 1 bulb will provide approx 6 treatments to Lower Legs, Underarms and Bikini. So considering the extra bulb that is included you are looking at about 12 treatments.
Not Cordless – Unlike some other devices in this category the Silk’n Flash and Go has to be plugged in to the mains when in use so it is not as portable as other devices. Some users find this a positive as they can treat all areas at the one time without having to worry about having enough charge left to finish the area.