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.