An aerosol delivery device comprising: a housing comprising an air inlet and an air outlet; a liquid reservoir in the housing, the liquid reservoir containing a liquid material, the liquid material comprising one or more aerosol generating means and one or more other constituents, wherein the one or more aerosol generating means are less volatile than the one or more other constituents; an aerosol chamber in the housing, the aerosol chamber being in fluid communication with the air inlet and the air outlet; an aerosol forming component in the aerosol chamber, the aerosol forming component being configured to volatilise the liquid materia from the reservoir, the aerosol forming component comprising a first aerosol-forming member and a second aerosol-forming member, wherein the first aerosol-forming member is located upstream of the second aerosol-forming member with respect to the flow of air through the aerosol delivery device in use; a power source to which the aerosol forming members are electrically connected; and a controller for controlling activation of the aerosol-forming members, the controller being configured to: cause the first aerosol-forming member to be heated up to a first operating temperature at which the one or more other constituents are vaporised in the first aerosol-forming member; thereafter cause the first aerosol-forming member to be heated to a second, higher operating temperature at which the one or more aerosol generating means are vaporised in the first aerosol-forming member; and cause the second aerosol-forming member to be heated up so that it reaches the first operating temperature substantially at the same time as the first aerosol-forming member reaches the second, higher operating temperature so as to vaporise the one or more other constituents at the second aerosol-forming member so that vapour of the one or more other constituents formed at the second aerosol-forming member mixes with, and condenses onto, the aerosol formed at the first aerosol-forming member. a housing comprising an air inlet and an air outlet; a liquid reservoir in the housing, the liquid reservoir containing a liquid material, the liquid material comprising one or more aerosol generating means and one or more other constituents, wherein the one or more aerosol generating means are less volatile than the one or more other constituents; an aerosol chamber in the housing, the aerosol chamber being in fluid communication with the air inlet and the air outlet; an aerosol forming component in the aerosol chamber, the aerosol forming component being configured to volatilise the liquid materia from the reservoir, the aerosol forming component comprising a first aerosol-forming member and a second aerosol-forming member, wherein the first aerosol-forming member is located upstream of the second aerosol-forming member with respect to the flow of air through the aerosol delivery device in use; a power source to which the aerosol forming members are electrically connected; and a controller for controlling activation of the aerosol-forming members, the controller being configured to: cause the first aerosol-forming member to be heated up to a first operating temperature at which the one or more other constituents are vaporised in the first aerosol-forming member; thereafter cause the first aerosol-forming member to be heated to a second, higher operating temperature at which the one or more aerosol generating means are vaporised in the first aerosol-forming member; and cause the second aerosol-forming member to be heated up so that it reaches the first operating temperature substantially at the same time as the first aerosol-forming member reaches the second, higher operating temperature so as to vaporise the one or more other constituents at the second aerosol-forming member so that vapour of the one or more other constituents formed at the second aerosol-forming member mixes with, and condenses onto, the aerosol formed at the first aerosol-forming member. cause the first aerosol-forming member to be heated up to a first operating temperature at which the one or more other constituents are vaporised in the first aerosol-forming member; thereafter cause the first aerosol-forming member to be heated to a second, higher operating temperature at which the one or more aerosol generating means are vaporised in the first aerosol-forming member; and cause the second aerosol-forming member to be heated up so that it reaches the first operating temperature substantially at the same time as the first aerosol-forming member reaches the second, higher operating temperature so as to vaporise the one or more other constituents at the second aerosol-forming member so that vapour of the one or more other constituents formed at the second aerosol-forming member mixes with, and condenses onto, the aerosol formed at the first aerosol-forming member.