| abstract |
PROBLEM TO BE SOLVED: To provide an O / W finely emulsified external preparation having a refreshing feeling at the time of application, improved permeation after application, and further improved water resistance of the preparation. SOLUTION: (A) HLB 5-9 nonionic surfactant, (B) polyoxypropylene / polyoxyethylene copolymer dialkyl ether, (C) oil component, (D) water, (E Ethanol), (C) oil content is 0.1-30% by mass, (D) water content is 40-95% by mass, (E) ethanol content is 1-30% by mass, O / W fine emulsification external preparation characterized by having an emulsified particle diameter of 20 to 600 nm. [Selection figure] None |