PROBLEM TO BE SOLVED: To provide an emulsion composition which can stably contain an amphipathic substance solid at room temperature at a high concentration, has high permeability to the skin, and excels in a skin care effect.SOLUTION: The emulsion composition comprises (A) a nonionic surface active agent having an HLB of &ge9 or an ionic surface active agent, (B) an amphipathic substance which is solid at 25°C, (C) an oily substance which is liquid at 25°C, and (D) water, and has a mass ratio of component (A) to compound (B) of (A):(B)=1:11 to 1:20 and is obtained by emulsifying under a treatment pressure of &ge50 MPa, and has no endothermic peak at not lower than room temperature in differential calorimetry.COPYRIGHT: (C)2007,JPO&INPIT【課題】 室温で固体の両親媒性物質を高濃度で安定に含有することができ、皮膚への浸透性が高く、スキンケア効果に優れた乳化組成物の提供。【解決手段】 (A)HLB9以上の非イオン界面活性剤又はイオン性界面活性剤、(B)25℃で固体の両親媒性物質、(C)25℃で液状の油性成分、及び(D)水を含有し、成分(A)及び(B)の質量割合が、(A):(B)=1:11~1:20であり、50MPa以上の処理圧で乳化して得られ、示差熱量測定において、室温以上で吸熱ピークを有さない乳化組成物。【選択図】 なし
