The invention relates to a system for distributing and dispensing liquids, the system comprising a plurality of re-usable containers, each container comprising a removable closure arranged to engage with a neck of the container, the closure comprising a liquid flow passage extending through the closure; and a dip tube fluidly connected to or forming the liquid flow passage of the closure and extending into the container. The system further comprises a dispensing assembly comprising a dispensing pump, a dispensing tube fluidly connected to the dispensing pump, and a connector arranged to releasably engage with the closure so as to fluidly connect the dispensing tube to the liquid flow passage of the closure. The removable closure is a tamper-proof or tamper-evident closure, arranged to deter or prevent removal of the closure by an unauthorised person. A method for distributing and dispensing liquids using the inventive system is further provided. A further aspect relates to a hand-held displacement pump for use with the system and method of the present invention.