Fuente: WIPO "tomato" A pouch for oral use formed of a moisture-permeable material and including a dry substrate is provided, the dry substrate having a water content of not more than about 12 wt % and including one or more carriers, one or more active ingredients, and 6 wt %-15 wt % glycerol based on a total weight of the dry substrate. A method for producing a dry substrate having a water content of not more than about 12% and including one or more carriers, one or more active ingredients, and 6 wt %-15 wt % glycerol based on a total weight of the dry substrate is also provided.