The S6640 Philips 6000 Shaver reduces skin irritation with anti-friction coating. A special coating applied to the shaving rings is designed to reduce friction on your skin, creating an effortless, smooth shave that minimizes skin irritation. MultiPrecision Blades lift up both long and short hairs to cut them – and any remaining stubble – in just a few strokes. This shaver can be used wet, with foam or gel or it can be used dry. It comes with a SmartClick trimmer for maintaining your moustache and sideburns.