Patent ID: 8926996
Filing Date: 2015-01-06
Classification: A61K,A61Q

Abstract:
1. An oil-in-water cosmetic comprising: (a) oil-droplet particles consisting of an oil component to be emulsified; (b) vesicle particles for stabilizing the oil-droplet particles; and (c) an aqueous phase containing water and ethanol, wherein the vesicle particles adhere to surfaces of the oil-droplet particles as an independent emulsifying and dispersing agent phase such that outer surfaces of the vesicle particles are in contact with the surfaces of the oil-droplet particles, and the vesicle particles are formed of an amphiphilic substance being a polyoxyethylene hydrogenated castor oil derivative represented by formula (I): wherein E=L+M+N+X+Y+Z, and said E which represents the average addition mole number of ethylene oxide is 10 to 20, wherein a production method of the oil-in-water cosmetic comprises: