EXTERNAL PREPARATION COMPRISING ULTRAFINE OIL-IN-WATER EMULSION COMPRISING HIGH-POLARITY OIL AND PRODUCTION METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To provide an external preparation comprising an ultrafine oil-in-water emulsion comprising a high-polarity oil, polyalkylene glycol dineopentanoate, and a production method of the external preparation comprising the ultrafine oil-in-water emulsion.;SOLUTION: The external preparation comprising the ultrafine oil-in-water emulsion comprises (A) a nonionic surfactant having an HLB value of ≤5, (B) polyalkylene glycol dineopentanoate, (C) water, (D) a nonionic surfactant having an HLB value of ≥9, (E) a polyoxyethylene-polyoxyalkylene random copolymer dialkyl ether derivative and/or a polyhydric alcohol-polyoxyalkylene glycol-polyethylene glycol copolymer alkyl ether derivative, (F) a para-oxybenzoate and (G) a water-soluble ionic compound.;COPYRIGHT: (C)2010,JPO&INPIT