One subject of the present invention is a composition containing, in a cosmetically acceptable medium: a)at least one aqueous phase; and b)at least composite particles A having a size between 0.1 and 30 µm comprising a matrix and an inorganic UV screening agent, said inorganic screening agent being present in a content ranging from 1% to 70% by weight relative to the total weight of the composite particle; and c) gamma-oryzanol or a plant extract containing it.