The GilletteLabs universal blade refill cartridge by Gillette can be used with both the GilletteLabs with Exfoliating Bar and GilletteLabs Heated Razor. GilletteLab's mens razors include the world's first razor with technology built into the handle - for the ultimate shaving experience. GilletteLabs with Exfoliating Bar has a built-in exfoliating bar that releases trapped hairs from the face for a smooth and comfortable shave. The GilletteLabs Heated Razor has a built-in warming bar for soothing warmth and the feeling of a hot towel, barber shave. These innovative razor blade refills feature Gillette's 5 sharp razor 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.