An antiperspirant composition comprising ethanol, amphiphilic material and volatile silicone, the amphiphilic material being a substance or mixture of substances which forms, upon contact with perspiration, a water-insoluble liquid crystal phase of greater than one dimensional periodicity, wherein: (i) the ratio of amphiphilic material to (ethanol + volatile silicone) is greater than or equal to 1 :9； (ii) the ratio of volatile silicone to (ethanol + amphiphilic material) is from 1 :9 to 1 :1 and wherein (iii) the ratio of ethanol to amphiphilic material is greater than or equal to 7:3.
