Now the best at-home hair removal system is even better. The Silk'n Flash&Go Long Life Cartridge is a revolutionary cartridge to provide a long-life of flashes and a lifetime of hair removal results! This will be the last cartridge you will EVER have to buy to achieve smooth hair free skin. One cartridge comes complete with 120,000 pulses! Benefits of the Silk'n Flash&Go Long Life Cartridge Never need to buy another cartridge again Will allow you to remove ALL unwanted hair permanently Easy, safe and painless Saves hundreds of dollars vs. professional treatments No more waxing, shaving or plucking *Results may vary based on hair or skin type. This Cartridge is compatible with the following devices: Flash&Go 2k Flash&Go 5k Flash&Go Luxx 120k BellaFlash *Device sold separately.