Aerosol container defining at least a first chamber, wherein a pressurized gas is contained, and at least a second chamber that is separated from the first chamber by a movable, gas-tight, solid wall, and wherein a closable outlet is in fluid communication with said second chamber, said second chamber comprising a leave-on dermatological composition comprising: -an oil-in-water emulsion, comprising one or more oils, the emulsion having an oil phase to water phase ratio of between 1:1 and 1:25 -one or more oil-in-water emulsifiers and -one or more active dermatological ingredients wherein said leave-on dermatological composition has a viscosity at room temperature of between 1 and 20,000 mPa.s and wherein said second chamber further comprises one or more physical foaming agents having a standard boiling point of -50 to 70°C.
