Antiperspirant formulations containing an antiperspirant active and a continuous phase comprising a water-immiscible liquid carrier, such as, amongst other materials, cyclomethicones, that is structured using an amido-containing compound of the general formulain which R and R1 each independently denote a branched or unbranched moiety containing 5 to 27 carbon atoms, m and n are each independently, zero or 1, Y is a cyclohexane ring bearing the amido-containing substituent groupsin 1,2 or 1,3 positions.