10 Silk'n Silkn Home Hair Removal Disposable Lamp Cartridges 10 Disposable Lamp Cartridges for the Silk'n Hair Removal Device Silk'n Disposable Lamp Cartridge The Silk'n Disposable (replacement) Cartridge has a life of about 750 shots, which is enough for treating your entire body once. The control panel on the Silk'n laser device will display warning lights when you are close-to or have reached the 750 shot limit.