The invention relates to an inhaler, particularly an electronic cigarette product, comprising at least one evaporator device having at least one electrical evaporator for evaporating liquid supplied to the evaporator and an electronic control device for controlling and/or regulating the evaporator. A plurality of liquids are associated or can be associated with the evaporator device in such a way that the composition and/or the vapour production rate of the vapour/aerosol produced by the at least one evaporator can be adjusted and/or modified in a targeted manner, as the control device is designed for individual control of the at least one or each individual evaporator and/or for group control of the evaporators.