The invention relates to a spherical core-shell-particle comprising or consisting of the following components: (a) a core consisting of or comprising (a1) a core liquid, (b) a hardened shell surrounding the core, the shell consisting of or comprising (b1) a hardened polysaccharide or a hardened mixture of polysaccharides, (b2) one, two or more water soluble fillers, and (b3) a hardness increasing amount of one, two or more water insoluble fillers and, optionally, (c) a coating layer.