The Gillette MACH3 razor has a microfin skinguard that stretches the skin, and prepares hair to be cut. The Gillette MACH3 razor has a microfin skinguard that stretches the skin, and prepares hair to be cut. With 360° Aqua-Grip^™ handle, the Gillette MACH3 Start razor is built for total control even when wet.