A breathing mask arrangement for feeding a respiratory gas to a patient includes a forehead support device, an arch body, a sealing lip means for bearing against the surface of the patient's face, a respiratory gas conduit means for feeding respiratory gas to a mask internal space defined by the arch body and in communication with the nose and/or mouth opening of the patient. The breathing mask arrangement includes an application structure for application of the sealing lip means jointly with the arch body, wherein the application structure has a carrier portion on which a respiratory gas conduit member in the form of a docking port is releasably mounted. The forehead support device includes a contact element provided in the application position of the breathing mask for bearing against the forehead region of the patient, and a holding device for holding the contact element in tiltably movable manner.