US Patent 7425321 Anhydrous antiperspirant stick

An anhydrous antiperspirant stick comprising: at least one antiperspirant active agent chosen from aluminium chlorohydrate and its complexes, such as complexes with zirconium; at least one solidifying agent chosen from natural waxes and synthetic waxes; and, at least one base chosen from inorganic and organic bases, such as anhydrous inorganic and organic bases. A method for reducing or eliminating the yellowing of anhydrous antiperspirant sticks based on waxes and on aluminium chlorohydrate or its complexes, by the inclusion therein of at least one base chosen from inorganic and organic bases.