The invention relates to an aqueous composition for cosmetic or pharmaceutical use, in particular dermatogical use, to be applied on skin, comprising more than 20% by weight of alkali metal bicarbonate wherein the alkali metal bicarbonate is present in dissolved form and in particles form and the particles have a particle size distribution such that at least 50% by weight of the particles have a diameter of less than 100 µm for calming skin discomfort. The invention also relates to a method for improving the surface appearance of the skin and/or for calming the skin and in particular for reducing skin discomfort.
