Gillette’s best razor blades are 2X preferred when used with the Fusion ProGlide Razor with FlexBall Handle Technology (overall preference vs. former ProGlide, among ProGlide users). Gillette Fusion ProGlide Razor Blades feature a precision beard trimmer for accurate edging. Gillette Fusion ProGlide razor blades are Gillette’s #1 on sensitive skin. Reengineered Low Cutting Force razor blades feature thinner, finer edges (first four blades vs. Fusion) with advanced low-resistance coating to cut effortlessly through hair with less tug and pull than Fusion. A Blade Stabilizer maintains optimal razor blade spacing for comfort, while allowing the razors blades to respond to the contours of a man’s face. Plus, the Streamlined Comfort Guard channels excess shaving cream to produce optimal blade contact, stretching the skin for a close, comfortable shave. And the razor blade's Enhanced Lubrastrip (vs. MACH3®) is infused with mineral oil and lubricating polymers that allow the Gillette Fusion ProGlide razor blade to move smoothly over skin, even on repeat strokes. Gillette Fusion ProGlide Razor Blades: Gillette's #1 razor blade on sensitive skin (in manual & power) with thinner, finer blades (first 4 blades) for less tug and pull (vs. Fusion) Gillette Fusion ProGlide Razor Blades: Precision Trimmer on the back for accurate edging Gillette Fusion ProGlide Razor Blades: Enhanced Lubrastrip® (vs. MACH3®) for smooth glide 1 Razor Blade Refill = up to 1 month of shaves* / *Based on 3-4 shaves per week Gillette Fusion ProGlide Razor Blades: Gillette's most advanced razor blade coating Gillette Fusion ProGlide Razor Blades are 2X preferred when used with the Fusion ProGlide razor with FlexBall Technology (overall preference vs. former ProGlide, among ProGlide users) All Fusion razor blades fit all Fusion razors (with and without FlexBall Handle Technology)