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
Straight razor After their introduction in 1680, straight razors became the principal method of manual shaving for more than two hundred years, and remained in common use until the mid-20th century. Straight razor production eventually fell behind that of the safety razor, which was introduced in the late 19th century, and featured a disposable blade. Electric razors have also reduced the market share of the straight razors, especially since the 1950s. Since 2012, production of straight razors has increased multifold. Straight razor sales are increasing globally and manufacturers have difficulty satisfying demand. Sales started increasing since the product was featured in the