Particle administering a benefit agent, said particles comprising compositions and method of treating substrates

A particle comprising: a) a core comprising an optional benefit agent; b) an inner shell which at least partially surrounds the core, said inner cover the water-insoluble product of a polymerization reaction forming a first polymer with a glass transition temperature above and including 70 degrees Celsius, preferably above and including 80 degrees Celsius; c) an outer shell at least partially surrounding said core, said outer cover the water-insoluble product of a polymerization reaction forming a second polymer having a glass transition temperature below 35 degrees Celsius and including; wherein the second polymer is formed from a monomer having a water solubility of more than 3 g / l at STP; d) a deposition aid, covalently bonded to the outer cover.