Mach3 Sensitive men's razor blade refills deliver a closer shave, with less feel of irritation even for sensitive skin* while feeling better than a new disposable, even on the 10th shave*. Each refill features 3 DuraComfort blades for long-lasting comfort, and an enhanced lubricating gel strip to help fight irritation (vs. Gillette Mach3). These Mach3 blade refills can be used with any Mach3 razor. * vs. Gillette Blue II