Safety razor above the razor, resulting in the Good News Plus. The purported benefit of the aloe strip is to ease any discomfort felt on the face while shaving. In direct response to Wilkinson's Bonded cartridge, during the following year Gillette introduced the twin-blade Trac II. They claimed that research showed the tandem action of the two blades to give a closer shave than a single blade, because of a "hysteresis" effect. In addition to the cutting action of the first blade, it is also supposed to pull the hair out of the follicle into which it does not fully retract before
Razor highly similar in design to Cartridge Razors, constructed from inexpensive materials (commonly injection moulded polycarbonate), yet are meant to be wholly disposable after use with no blade sharpening or replacement possible. One device was invented in 1963 by American entertainer and inventor Paul Winchell. Safety razor life may be extended by drying the blades after use. The electric razor (also known as the electric dry shaver) has a rotating or oscillating blade. The electric razor usually does not require the use of shaving cream, soap, or water. The razor may be powered by a small DC motor, which is either