Abstract: A refillable liquid product container system comprises a liquid product container (100) having a body and a neck extending outwardly from the body, wherein said neck or an optional dispensing fitment arranged in said neck facilitates dispensing of a liquid product from the container. The system also includes a manually operable screw cap (1) that is to be removed by a user from the container (100) when a liquid product is to be dispensed from the container, and that is to be replaced to close the container. The screw cap has a top wall (2) and a downward depending circumferential skirt (3), and wherein the screw cap has a screw thread (11) that mates with a screw thread on said neck or on said optional dispensing fitment when present. A refilling station (110) allowing a user to refill the container (100) with a liquid product, said refilling station comprising a male filling element (30) through which said liquid product is supplied to the container.