The GilletteLabs universal blade refill cartridge by Gillette can be used with all GilletteLabs razors. GilletteLab’s razors include the world's first razor with exfoliating technology built into the handle, for a shave as quick and easy as washing your face, and the world's first Heated Razor, for soothing warmth and feeling of a hot towel, barber shave. This innovative razor blade refill features Gillette’s best blades for a shave that is close and comfortable. The razor blade refill cartridge has an opening in the middle where the exfoliating bar and the heated bar on the razor handle fit and snap into place with an easy ‘click’. This universal blade refill cartridge makes it simple to swap in fresh blades, no matter what GilletteLabs razor you prefer to use. The GilletteLabs with Exfoliating Bar and GilletteLabs Heated Razor make great gift sets for men, especially when paired with an extra set of blade refills.