Mr. well have tested other blades, it always comes back to Mach 3. Having sensitive skin and tend to have redness, refills 5 blades are completely excluded if it is fire. And to make matters worse, he prefers the manual shaving. Suffice to say that for the blades, it is demanding. The Mach 3 are appropriate since they shave closely, but do not put the raw skin, he uses so many years. For this sensitive release, his conclusion is simple: good glide, comfort and no irritation! And all this with a very good efficiency over time. In short, that's good!