The invention relates to a cosmetic brush having a handle with the longitudinal axis LH and having a brush applicator adjoining the handle; the brush applicator is composed of a bending element that is flexible in at least one plane, has a longitudinal axis LS, and has a set of bristles composed of a plurality of bristles that are integrally injection-molded onto its distal end, whose longitudinal axes LB extend (entirely or essentially) parallel to the longitudinal axis LS.