A personal product antimicrobial preservative composition for preservation of topical personal care formulations is provided and includes [A] one or more undecylenic acid derivatives depicted by Formula (I),[B] one or more octanoic acid derivatives depicted by Formula (II),and [C] 2-phenoxy ethanol or 2-ethyl hexyl glyceryl ether or mixture of these two ‘liquid alcohol ethers’ wherein, each of the two components [A] and [B] is present in the range of 5 to 20% by weight and together [A] and [B] constitute 10 to 30% by weight and the ‘liquid alcohol ether’, component [C], is present 70 to 90% by weight of the total preservative composition. A method for preserving personal care product from microbial attack is provided containing an aqueous phase comprising three component composition from about 0.5 to 2.5% by weight of the total personal care formulation.
