as it could be purchased separately as a refill or be used in disposable products to supplement the description being given and in order to assist clearer understanding of the features of the invention in accordance with a preferred specimen practical embodiment of same a set of drawings is attached as an integral part of said description wherein the following is represented for illustrative and non restrictive purposes fig1 u2014 it shows a representation according to a general exploded perspective view of the different components or items making up the disposable electrical device for the release of active substances fig2 u2014 it shows a representation according to a general perspective of the device of the invention fig3 u2014 it finally shows a sectional view of the actual device enabling the arrangement of the component parts to be seen clearly in the light of the above mentioned figures it may be observed that the invention device comprises firstly a liquid container 1 with the active substance that is to be released a container 1 which includes a perimeter wing 2 that matches up with its open base which is sealed by means of a permeable membrane 3 whose characteristics are such that it allows the vapour of the principle.