Gillette Fusion has 5 blades spaced closer together, forming a shaving surface technology has 5 blades spaced closer together to help reduce pressure - for less irritation and more comfort.  All Fusion cartridges can be used with all Fusion razors.

Gillette Fusion Razor Blades - combines Gillette advanced shaving technology with sophisticated performance to deliver an exceptionally close and comfortable shave

How long with the Gillette Fusion cartridge last?

The Gillette Fusion s Enhanced Indicator Lubrastrip will provides you with a visual cue of when optimal shave conditions have been reduced.