A dry shampoo composition is provided that is highly absorbent and light weight. The water-based composition may be formulated as an aerosol mousse. The aerosol mousse may be formed by combining a propellant and a mousse concentrate, and dispensing the combination from an aerosol dispenser. The dry shampoo mousse concentrate may include at least one sebum-absorbing powder, at least one cleansing surfactant, at least one anti-caking agent, at least one plasticizer, and at least a minimum amount of an aqueous solvent.