Aluminium chloride is believed to denature the protein content of sweat issuing from eccrine glands, and to combine with the intraductal keratin fibrils, producing a functional closure. The antibacterial action of the aluminium ion also precludes the development of miliaria. Accordingly, there is no secondary inflammation. The intraluminal pressure rises to the point where it acts as a feedback system, shutting off acinar secretion.
The formulation of Anhydrol Forte has been tested in widespread clinical practice, and has been shown to be effective when used in accordance with the recommended instructions.