| abstract |
(57) [Problem] To provide a multiple emulsion having excellent stability. SOLUTION: This is a multi-phase emulsion obtained by passing a W / O emulsion through a porous membrane having a uniform pore size and dispersing in a water phase containing a surfactant having an IOB value of 1.3 or more, A multiple emulsion in which the dispersed W / O / W emulsion particles have an average particle size of 0.1 to 30 μm. |