Braun Clean & Renew cartridges will keep your electric shaver feeling like new. The alcohol-based solution cleans more hygiencally than water, removing residual hair and skin particles that cumulate after every shave. High energy lubricants maintain your shaver's blades and help reduce friction, which may cause skin irritation. The lemon-fresh formula releases a refreshing scent, giving you an invigorating shave every time. The Braun Clean & Renew cartrigdes are compatible with any SmartCare Center unit.