A volatile liquid droplet dispenser device includes: a first substrate (1) having a space (2c) for containing a liquid substance, and having liquid outlet means (2a) for ejecting the liquid substance; a second substrate (3) having a liquid inlet means (3i) for allowing the liquid substance to enter said device; an actuating element (2b, 8, 10) arranged to actuate the liquid substance so as to exit the device as a liquid droplet spray, wherein the liquid outlet means (2a) of the first substrate comprises a perforated nozzle membrane (2a) having a plurality of outlet nozzles, and wherein the first substrate (1) contains at least one fluidic capillary priming channel (1a, 1b, 1c) arranged to receive liquid substance from the space (2c) so as to fill the channel such that the liquid substance is in close proximity to the outlet nozzles for priming the liquid substance for ejection through the nozzle membrane.