A method of dispensing at least one test scent within a system includes a server configured to exchange data with a plurality of interactive scent-formulation terminals, each interactive terminal including a plurality of odorous substances, serving when combined in various proportions to create a plurality of scents dispenser means for dispensing a selection of the odorous substances out from the terminal a network interface enabling the terminal to communicate with the server and a user interface in which method the server automatically sends data to at least one terminal, the data describing at least one formulation enabling the terminal to dispense a test scent, while leaving the user of the terminal free to select the moment at which the test scent is dispensed.
