Safety razor the second blade cuts it further. The extent to which this is of practical consequence has, however, been questioned. Gillette introduced the first triple-blade cartridge razor, the Mach3, in 1998, and later upgraded the Sensor cartridge to the Sensor3 by adding a third blade. Schick/Wilkinson responded to the Mach3 with the Quattro, the first four-blade cartridge razor. These innovations are marketed with the message that they help consumers achieve the best shave as easily as possible. Another impetus for the sale of multiple-blade cartridges is that they have high profit margins. With manufacturers frequently updating their shaving systems, consumers can
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