the present invention is directed to a multi - chambered dispenser for blending and dispensing a customized liquid product such as a liquid cosmetic foundation . the dispenser includes a device for selecting a customized liquid formula ; a plurality of cartridges separately containing pre - mix compositions for the customized liquid product ; at least one ink jet head in fluid communication with the cartridges ; a central processing unit for processing the customized liquid formula and activating the ink jet head ; whereby the ink jet head dispenses the pre - mix compositions in accordance with the customized liquid formula to provide a customized liquid product .