The disclosure relates to nail varnish compositions including, in one or more cosmetically acceptable organic solvents: a main film-forming agent including nitrocellulose, at least one fumed silica having a BET specific surface area of at least 170 m2/g, at least one secondary resin having at least one aromatic group in its chemical structure, at least one plasticiser, at least one colorant, which is insoluble in the solvent. The composition is free or substantially free of clay compounds, especially of modified clays, in particular of organophilic clays. The disclosure also relates to the use of these compositions for protecting and/or making up the nails, and also to packaged, ready-to-use items intended for this use.