The present invention relates to a washing machine (1) comprising a body (2), a tub (3) in which washing process is performed, a seat (4) provided on the body (2), a drawer (6) placed in the seat (4), having a plurality of compartments (5) in which cleaning agents such as detergent and softener are loaded, and a dispenser (10) disposed in the seat (4) so as to be above the drawer (6), having at least one main channel (8) in which water is circulated received from the mains by means of at least one mains line (7) and a plurality of holes (9) enabling water flowing in the main channel (8) to be sent into the drawer (6), wherein an auxiliary channel (13) is provided on the dispenser (10), having a water inlet (12) connected to a transmission line (11) conveying water, through which water flows received by means of the water inlet (12) from the transmission line (11) so as to obtain therein a flow independent of the main channel (8), and at least one opening (14) is provided on the dispenser (10), enabling water flowing in the auxiliary channel (13) to be sent into the compartment (5).