The invention relates to a nail varnish composition containing: a) an embossed effect pigment comprising a platelet-like metal substrate comprising an embossed structure which has a periodic pattern with diffractive elements, said substrate being produced by a PVD method, and optionally at least one coating applied to the substrate, wherein the substrate has a content of elementary metal of 80 to 100 wt.% in relation to the substrate and wherein the effect pigment has been treated with a leafing additive for surface modification, b) at least one hydrocarbon resin as a binder, c) at least one solvent or solvent mixture, and d) optionally further auxiliary materials. The invention also relates to a method for producing the nail varnish composition.