➢ Two-phased system ➢ Prepared by combining two immiscible liquids. ➢ One of which is dispersed uniformly throughout the other ➢ Both of the dispersed phase and dispersing medium is a liquid ➢ Immiscible liquids that are immiscible to each other - are employed either orally or topically, they can prepare water in oil preparation for more occlusive and emollient effect. - It can also be removed easily with water. - It can also be for parenteral but it depends on the ingredient and application