A hair treatment composition comprises particles having a first non-aqueous phase and, retained within said first non-aqueous phase, a second hydrophilic phase which is an aqueous solution, dispersion, emulsion or a solid or liquid having a log P value less than 1, said second phase comprising a hair benefit agent, wherein said first non-aqueous phase has a melting point of from 30.degree. C. to 100.degree. C.