Liquid dispenser having the following features: a. the liquid dispenser has a liquid store for storing liquid prior to the discharge, and b. the liquid dispenser has a discharge device which is fitted to the liquid store and which has a discharge opening for discharging the liquid, and c. the discharge device has a pump device for manual activation with a pump chamber, which is variable in terms of volume and which is connected at an input side in a communicating manner to the liquid store and which is connected at an output side in a communicating manner to the discharge opening, and d. the discharge device has a ventilation channel, by means of which an incoming air flow is enabled for pressure compensation between the liquid store and a surrounding atmosphere, and e. the ventilation channel has a ventilation valve which can be opened by means of manual activation of the pump device and which is closed when the pump device is inactive, and f. the ventilation channel has a capillary channel portion, through which the incoming air flow reaches the liquid store, characterized by the following additional features: g. the discharge device has a base at the side of the liquid store and a discharge head which can be displaced relative to the base for the purposes of activating the pump device, and h. the base and the discharge head have a first housing portion and a second housing portion of a rigid plastics material, wherein the first housing portion is provided on the base and the second housing portion is provided on the discharge head, and i. the ventilation valve is formed by means of a first valve face and a second valve face which are provided on the first and second housing portions (42, 62), wherein the valve faces (44, 64) are in abutment with each other when the pump device is not activated. a. the liquid dispenser has a liquid store for storing liquid prior to the discharge, and b. the liquid dispenser has a discharge device which is fitted to the liquid store and which has a discharge opening for discharging the liquid, and c. the discharge device has a pump device for manual activation with a pump chamber, which is variable in terms of volume and which is connected at an input side in a communicating manner to the liquid store and which is connected at an output side in a communicating manner to the discharge opening, and d. the discharge device has a ventilation channel, by means of which an incoming air flow is enabled for pressure compensation between the liquid store and a surrounding atmosphere, and e. the ventilation channel has a ventilation valve which can be opened by means of manual activation of the pump device and which is closed when the pump device is inactive, and f. the ventilation channel has a capillary channel portion, through which the incoming air flow reaches the liquid store, g. the discharge device has a base at the side of the liquid store and a discharge head which can be displaced relative to the base for the purposes of activating the pump device, and h. the base and the discharge head have a first housing portion and a second housing portion of a rigid plastics material, wherein the first housing portion is provided on the base and the second housing portion is provided on the discharge head, and i. the ventilation valve is formed by means of a first valve face and a second valve face which are provided on the first and second housing portions (42, 62), wherein the valve faces (44, 64) are in abutment with each other when the pump device is not activated.