Make sure you're always stocked up on Gillette Mach3 refill cartridges. The Mach3 combines Gillette's 3 Blade Shaving Technology with antifriction blades that gently glide over your face. Its pivoting razor head with 10 Microfins follow every contour on your face for comfort and closeness. A lubricating strip on the razor head gradually fades to white, to indicate when you are no longer getting an optimal shave. Key Features : A shaving system specially designed for a close and comfortable shave. Diamond Like Coated DLC .3 Blades for a close comfortable shave. Front Pivot Technology Closely follows the contours of your face. Lubricating Strip for great glide.