The invention is directed to a shaving head for a hair cutting apparatus, with at least one outer cutter and at least one undercutter associated therewith and having cutting edges, said cutters being movable relative to one another by a drive mechanism, with the outer cutter having an engagement surface comprised of bars and slots, which slots are open at least towards one of two lateral boundary lines of the engagement surface, said boundary lines defining the width of the engagement surface, wherein the bars are shaped in a meandering, sinusoidal or serpentine configuration extending to and fro between the two opposite lateral boundary lines of the engagement surface.