A different colour design, darker than the Hydro Blast - I never knew that existed either. Newly developed hydro glide gel, the technical jargon for goo, but the most interesting thing skin guards on the blades ... There are also Power Select and Hydro 3 model's too. Some will say this is in response to the Fusion Proshield, but we all know product development take years. Gillette just beat them by two months... Skin guards...
It looks like the rest of the world will get a new and improved Schick/Wilkinson Sword Hydro 5's/Hydro's 3: