English: Schematic illustration of nanoemulsion structure, including the biphasic systems (O/W or W/O), in which an appropriate volume of the internal oil phase is disseminated in the bulk aqueous solution or vice versa; and the multiple systems (W/O/W or O/W/O), within which the inner water phase is dispersed in an oil phase, which is then dispersed in a bulk aqueous phase or vice versa.