The Mach3 is covered by 35 patents, astonishing for something as commonplace as a razor.

ECONOMIST: Skinned alive

To make the Mach3, Gillette has found a way to bond diamond-hard carbon to slivers of steel.

ECONOMIST: Gillette: Taking it on the chin | The

Mach3 will sell for around 35% more than SensorExcel, which itself was 60% more expensive than Atra, its predecessor.

ECONOMIST: Gillette: Taking it on the chin | The