Gillette Mach 3 Gel Shave 195g Extra Comfort. Experience the comfort of MACH3 Complete Defense against razor burn.* Gillette MACH3 Extra Comfort Shave Gel works into a rich, comforting lather that provides superior moisture retention** for your skin. Multi-layer lubrication provides incredible razor glide, while the optimized cooling formula refreshes. Feel the comfort of shaving with Gillette MACH3 Extra Comfort Shave Gel.