What is ironic about parsons asking Winston for a razor blade in 1984?

In George Orwell's "1984," Parsons asking Winston for a razor blade is ironic because it highlights the oppressive environment of the Party, where even personal grooming tools are scarce and controlled. The request underscores the absurdity of life under totalitarian rule, where basic items become commodities tied to loyalty and obedience. Additionally, Parsons is a fervent supporter of the Party, yet he unwittingly exposes the absurdity and desperation of their situation by needing a razor blade for something as mundane as shaving. This juxtaposition emphasizes the extent of control the Party exerts over individuals' lives.