The Gillette 1S Single Mach3 blade is a single replacement cartridge designed for the Gillette Mach3 razor. It features three ultra-sharp blades for a close and comfortable shave, with DuraComfort™ coating for smooth gliding and reduced irritation. The cartridge is compatible with all Mach3 handles and includes a lubrastrip for added moisture during shaving. Ideal for precise facial grooming, it offers a balance of durability and performance for daily use.