The Clean & Renew Cartridges keep your Braun blades in top condition, ensuring you continue to get a close and gentle shave. A lemon-fresh formula lubricates the shaver’s blades and refreshes your shaving experience. The alcohol-based cleaning solution is proven to be up to ten times more effective than cleaning your shaver under running water, so you can guarantee a clean, hygienic shave. Alcohol-based cleaning solution cleans your shaver and provides optimal hygiene Lemon-fresh formula releases a refreshing scent for a fresher shaving experience High energy lubricants maintain your shaver’s best performance Replace the refill cartridge every 3 months to experience a shaver like new, every day The Braun Clean & Renew Cartridges work with any Clean&Charge unit to give you a fresh, clean and hygienic shave every day