The present invention relates to a composition, particularly for coating keratin fibers, notably eyelashes, in the form of a wax-in-water emulsion, comprising at least one pasty fat chosen from (poly)esters of at least one C20-C100 fatty acid, preferably behenic acid, and at least one polyol, preferably glycerol, wherein the wax content is strictly greater than 5% by weight with respect to the total weight of said composition.