Gillette Fusion Proshield Men's Razor Blade Refills 4 ct Gillette Fusion ProShield men's razor refills contain blades that shield while you shave. ProShield Lubrication before and after the blades lays down a protective layer to shield from irritation. Gillette Fusion ProShield is Gillette's most advanced razor. When purchasing your razor refills, just look for the yellow blade and handle.Lubrication before and after the blades shields from irritation. Gillette's thinnest, finest blades with less tug and pull for incredible comfort. First four blades (same as proglide). Proshield razor blades have a precision trimmer on back for accurate edging. 1 refill = up to 1 month of shaves* 5 Bladed Razor Blade. All Fusion razor blade refills fit all Fusion razor handles.