A method for forming an absorbent article (100) of the type comprising a first absorbent core (104) and a second absorbent core (105) which are superposed on each other, comprises a step of feeding a first supporting web (BS) along a first feed path (P1) in a first feed direction (V1)； a step of placing a succession of first absorbent cores (104) on the first supporting web at a preset spacing (P)； a step of feeding a second supporting web (TS) along a second feed path (P2) in a second feed direction (V3)； a step of placing a succession of second absorbent cores (105) on the second supporting web at the preset spacing (P)； a step of coupling the first supporting web (BS) to the second supporting web (TS) in such a way that each first absorbent core is coupled to a corresponding second absorbent core in a composite web (CT) comprising the succession of first absorbent cores (104) and the succession of the second absorbent cores (105) interposed between the first supporting web and the second supporting web. [Figure 1]
