Braun Clean & Renew™ Shaver feels like new every day! Replaceable cartridge with alcohol based cleaning fluid: A unique alcohol-based cleaning fluid removes shaved stubble and skin particles to ensure maximum hygiene for a 99.999% germ-free shaver. Cleans 10 times more hygienically than tap water. Noticeably more comfortable on skin. One cartridge lasts approximately 30 cleaning cycles. Automatic Hygienic Cleaning. For all Braun self cleaning shavers. 3 Cartridge Refills Now with better lubrication to improve shaver performance.