(EN) THE SUBJECT OF THE INVENTION IS A CONTAINER FOR PACKAGING A LIQUID (1) THAT IS TO BE DISPENSED DROP BY DROP, THIS CONTAINER HAVING REVERSIBLE DEFORMATION BY THE INTAKE OF AIR AND BEING EQUIPPED WITH A HEAD (3) FOR DISPENSING THE LIQUID THROUGH A NOZZLE (5). THE LATTER (3) COMPRISES A HOLLOWED-OUT BODY (4) WHICH IS PUSH-FITTED INTO A NECK (10) OF THE CONTAINER AND HOUSES A HYDROPHOBIC MICROPOROUS PAD (8) POSITIONED UPSTREAM OF A CHAMBER (9). THIS CHAMBER (9) FORMS A RESERVE OF AIR SO AS, BETWEEN TWO LIQUID-DISPENSING OPERATIONS, TO PREVENT THE LIQUID FROM CROSSING THE MICROPOROUS PAD WHEN THE NOZZLE (5) IS SEALED BY A CAP (6), AND TO DRY OUT A PARTIALLY HYDROPHILIC AND HYDROPHOBIC FILTER MEMBRANE (7) THAT THE IS DISPENSING HEAD (3) COMPRISES. FIGURE 1