The present invention relates to a razor cartridge capable of simultaneously shaving flat and sharply curved surfaces, said razor cartridge comprising: a blade housing, on which a plurality of razor blades are formed; and an upper housing coupled to the blade housing and defining a rectangular opening for outwardly exposing the edges of the razor blades to enable the latter to contact the skin, wherein the blade housing includes a first razor blade mounting portion and a second razor blade mounting portion that define a plurality of slots to which the razor blades are coupled, and a hinge portion connects the first razor blade mounting portion and the second razor blade mounting portion.