Abstract: A system for administering flowable products, has a product storage container, supply means for feeding the product from the container and into a feeding channel and for applying a feeding pressure to the product and a product dispensing head to which the product is supplied. An uninterrupted flow of the pressurized product to the inlet of the dispensing head is provided, and a product metering chamber is provided in the actual dispensing head, having a predetermined fixed maximum volume corresponding to that of a product portion to be dispensed and being displaceable as a shuttle between a loading position and a dispensing position wherein the metering chamber is collapsed for dispensing the fixed product volume.