The present invention relates to a composition comprising highly dispersed silica and at least one highly dispersed titanium acid for use as a medicament. The invention further relates to a composition comprising highly dispersed silica and at least one highly dispersed titanium acid for use in the prevention or treatment of skin mycosis. The invention also relates to a composition comprising highly dispersed silica and at least one highly dispersed titanium acid for use in the prevention of fermentation of sweat. Furthermore, the invention relates to a method of activating a composition comprising highly dispersed silica and at least one highly dispersed titanium acid, wherein the composition is subjected to activation by an aqueous solution of hydrogen peroxide wherein the aqueous solution of hydrogen peroxide preferably is a solution of preferably 0.1 to 10 % (vol/vol), more preferably 3 % (vol/vol). The invention also relates to a kit comprising a) a composition comprising highly dispersed silica and at least one highly dispersed titanium acid, and b) an aqueous solution of hydrogen peroxide, wherein the aqueous solution of hydrogen peroxide preferably is a solution of preferably 0.1 to 10 % (vol/vol), more preferably 3 % (vol/vol), and c) optionally, instructions for use.
