Gillette Mach3 Sensitive Razor gives closer shave, more comfort. One blade lasts up to 30 days. Gillette Mach3 Sensitive DuraComfort Blades for long-lasting comfort Extra-Lubricating GelStrip (vs. Mach3) glides to help fight irritation Extra-Lubricating Gel Strip(vs. Mach3) Pressure Adjusting Pivot for an easier shave (vs. Blue II Plus Disposable) 2x more Skin Guard fins (vs. Sensor 3 Disposable/Blue 3 Disposable) for a smooth shave Tested on sensitive skin. One blade lasts up to 30 days (Based on number of shaves per panellist and shave frequency).