Laundry care additive particles

A composition comprising a plurality of particles, wherein said particles comprise:

• about 25% to about 99% by weight water-soluble carrier;
• and
• a plurality of capsules dispersed in said water-soluble carrier, wherein said capsules comprise a core and a shell surrounding said core and said core comprises perfume raw materials;
• wherein said shell comprises from about 90% to 100%, optionally from about 95% to 100%, optionally from about 99% to 100% by weight of the shell of a polymeric material that is the reaction product of chitosan derived from an aqueous phase and a cross-linking agent, wherein the cross-linking agent comprises an isocyanate component, the isocyanate component comprising a mixture of two or more di- and/or poly-isocyanates, derived from an oil phase, the di- and/or poly-isocyanates each comprising an aromatic moiety;
• and
• wherein the mixture of di- and/or poly-isocyanates comprising an aromatic moiety comprises at least one alpha-aromatic isocyanate and at least one beta-aromatic isocyanate, optionally, wherein the required isocyanates are each present in at least 20 mole percent of the total isocyanate component.