Water-soluble unit dose article comprising a fibrous non-woven sheet and a surfactant system

A water-soluble unit dose article comprising a water-soluble fibrous non-woven sheet and a granular laundry detergent,

• wherein the water-soluble fibrous non-woven sheet is shaped to form a sealed internal compartment, wherein the granular laundry detergent is comprised within said sealed internal compartment, and
• wherein the water-soluble fibrous non-woven sheet comprises a plurality of fibres,
• wherein the fibres comprise polyvinyl alcohol polymer,
• wherein the granular laundry detergent comprises a plurality of particles,
• wherein the granular laundry detergent comprises from about 1 wt % to about 50 wt % of a surfactant system,
• wherein the surfactant system comprises at least about 50 wt % linear alkylbenzene sulphonate by weight of the surfactant system,
• wherein the linear alkylbenzene sulphonate comprises at least about 50 wt % magnesium linear alkyl benzene sulphonate by weight of the linear alkylbenzene sulphonate,
• wherein the linear alkylbenzene sulphonate is in the form of a flake,
• wherein the flakes have an aspect ratio of from 1 to 20 to from 1 to 20 to from 1 to 20 of length, to width, to height.