Gillette Fusion Manual Razor Gillette Fusion is the first & only shaving system that has revolutionary technology on the front & the back of the cartridge. The 5 Blade Shaving Surface technology has 5 blades spaced closer together to help reduce pressure for extraordinary comfort. The Precision Trimmer Blade is built into the back of the cartridge. Perfect for tricky places like sideburns, under the nose & around facial hair. The Enhanced Indicator Lubrastrip has vitamin E & aloe, & fades to white when you are no longer getting your optimal shave.