Shaving Sword introduced the 'bonded blade' razor, which consisted of a single blade housed in a plastic cartridge. Gillette followed in 1971 with its Trac II cartridge razor that utilised two blades. Gillette built on this twin blade design for a time, introducing new razors with added features such as a pivoting head, lubricating strip, and spring-mounted blades until their 1998 launch of the triple-bladed Mach3 razor. Schick launched a four-blade Quattro razor later the same year, and in 2006 Gillette launched the five-blade Fusion. Since then, razors with six and seven blades have been introduced. Wholly disposable razors gained popularity
Jacob Schick He officially retired from the military in 1910, but returned to duty from 1916-1918 as a Captain (eventually promoted to Lt. Colonel) due to the outbreak of World War I. Jacob Schick's first business venture, the Magazine Repeating Razor Co. (Founded 1925) sold a razor with injection cartridge blades designed much like a repeating rifle, where the blades were sold in clips that could be loaded into the razor without touching the blade. This business provided the necessary capital to develop his electric razor concept when he sold it to the American Chain & Cable Company in 1928. Successfully patented