Gillette Mach3 Refill Cartridges, 4 Count

– Gillette Mach3 razor refills feature three blades stronger than steel.
– They stay sharp longer.
– It is designed to give you up to 20 shaves per replacement and its lubricating strip changes color when the shave is no longer optimal.
– Indicating that it is time to replace the part with a new one.
– Its flexible head, which adjusts to the contour of the face, and its 10 micro tensioners that smooth the skin will give you a closer shave.
– All cartridges in the MACH3 family can be used with any MACH3 handle.