Detergent product and method for making same

A water-soluble detergent product comprising a plurality of inter-entangled filaments, wherein the plurality of inter-entangled filaments comprises one or more anionic surfactants, where the one or more anionic surfactants are present in the plurality of inter-entangled filaments at a total level of at least 45% by weight on a dry filament basis and release from the water-soluble detergent product upon adding the water-soluble detergent product to water and wherein the water-soluble detergent product further comprises one or more water-soluble filament-forming materials comprising a polyvinyl alcohol, wherein the plurality of inter-entangled filaments form a fibrous structure layer exhibiting a Basis Weight of less than 500 g/m2 as measured according to the Basis Weight Test Method described herein, and wherein the one or more filament forming materials and the one or more anionic surfactants present in the plurality of inter-entangled filaments have a weight ratio of total level of filament-forming materials to total level of one or more anionic surfactants of less than 4.0.