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. Brand new in box.