Water-soluble unit dose article containing a core/shell capsule

A water-soluble unit dose article, wherein the water-soluble unit dose article comprises a water-soluble polyvinyl alcohol film and a laundry detergent composition, wherein the water-soluble film encloses the laundry detergent composition, wherein the laundry detergent composition comprises capsules, wherein the capsules have a core and a shell and wherein the shell surrounds the core;

• wherein the shell comprises (a) a first shell component and (b) a second shell component surrounding the first shell component;
• wherein the core comprises a hydrophobic material;
• wherein the shell comprises between about 90% and about 100%, by weight of the shell of an inorganic material;
• wherein the inorganic material in the shell comprises a material selected from SiO2, TiO2, Al2O3, ZrO2, ZnO2, CaCO3, Ca2SiO4, Fe2O3, Fe3O4, clay, gold, silver, iron, nickel, copper or a mixture thereof;
• wherein the second shell component comprises at least one of SiO2, TiO2, Al2O3, CaCO3, Ca2SiO4, Fe2O3, Fe3O4, iron, silver, nickel, gold, copper, clay, or a mixture thereof;
• and
• wherein the capsules have a fracture strength between 1 MPa and 10 MPa.