A breathing mask arrangement includes an arch body, a sealing lip means for bearing against the surface of the face of a mask user, a respiratory gas conduit means for feeding respiratory gas to a mask internal space which is defined by the arch body and which is in communication with the nose and/or mouth opening of the user of the mask, and 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 is releasably coupled.