A stabilized aluminum/zirconium/glycine salt comprising a Betaine of Formula I as additive: in a sufficient amount to have (a) an overall (Betaine+glycine)/Zr ratio in the range of 0.1-3.0:1, (b) a ratio of Betaine to glycine of at least 0.001:1; and (c) sufficient Betaine so that at least 0.1% of the ratio of Betaine+glycine is contributed by Betaine.