Gillette Fusion Manual Blades 4s Gillette Fusion Blades give you the extreme comfort of five blades, with the precision of one. The Gillette Fusion Blades have five blades spaced closer together to help reduce pressure for extraordinary comfort for shaving. Gillette Fusion is the first & only shaving system that has revolutionary technology on the front & the back of the cartridge. Gillette Fusion Blades have an enhanced indicator lubrastrip which has vitamin E & aloe, & fades to white when you are no longer getting your optimal shave to prompt you to change the blade. The flexible comfort guard gently sets up the beard to help give you the comfortable & close shave you desire. Gillette Fusion Blades are ideal for tricky places like sideburns, under the nose, & around facial hair.