The device for dispensing liquid comprises: a liquid reservoir (12) which can be deformed so as to dispense the liquid by pressing on the reservoir (12); a liquid-dispensing end piece (10) fitted on the reservoir (12); a channel (24, 50) for the passage of liquid; a channel (26) for the passage of air from the outside to the inside of the reservoir (12), the channel (26) for the passage of air being closed off by a member (28) made of an air-permeable polymeric material, this material being non-porous, the member (28) being called the air-permeable member (28).