A subject of the present invention is an anhydrous composition comprising:a) at least particles encapsulating at least one beneficial agent, the particles being able to release the beneficial agent in the presence of water；b) at least one sebum-absorbing powder with a sebum uptake of greater than or equal to 35 ml/100 g, and/or at least one styling powder other than the particles encapsulating at least one beneficial agent；c) optionally a propellant.A subject of the present invention is also to a process for the dry-washing and cosmetic treatment of keratin materials, comprising a step of applying the composition to the hair.
