A method of producing in a composition adapted to be applied to the mucous membranes, the physiological effects of menthol at a reduced menthol concentration, by the partial replacement of menthol by a cooling and flavour blend, including (a) at least one compound selected from the group consisting of lactoyl ethanolamide, nonanoic acid vanillyl amide and menthyl lactate and (b) at least one compound of the Formula I in which the dotted line represents an optional single bond, the moieties R1, R2, R3, R4 and R5 being independently selected from H, CH3 and OH, three moieties being H, one CH3 and one OH, such that (i) when the optional single bond is absent, one of R1 and R5 is OH only when R3 is H and (ii) when the optional single bond is present, R3 is CH3 and one of R1 and R5 is OH.