Aluminium zirconium tetrachlorohydrex gly is the INCI name for a preparation used as an antiperspirant in many deodorant products. It is selected for its ability to obstruct pores in the skin and prevent sweat from leaving the body. Its anhydrous form gives it the added ability of absorbing moisture. It is sometimes called AZG, and contains a mixture of monomeric and polymeric Zr4+ and Al3+ complexes with hydroxide, chloride and glycine.