Patent ID: 8641310

Claim:
A replacement cartridge for a razor assembly, comprising: a reservoir adapted to contain flowable shaving aid material; a dispensing head adapted to deposit flowable shaving aid material on a skin surface of a user during a normal shaving operation; and a removable shield, disposed between the reservoir and the dispensing head, adapted to prevent flow of the shaving aid material from one or more channels of the reservoir to one or more channels of the dispensing head when the shield is there disposed; and wherein removal of the shield permits fluid communication between the one or more channels of the reservoir and the one or more channels of the dispensing head; wherein the shield is disposed in a slot having an opening and a grippable portion of the shield extends outwardly therefrom; wherein the shield is integrally formed with a plug and a weakened portion is between the shield and the plug; and wherein the weakened portion comprises a series of perforations.