| abstract |
(57) [Summary] [Structure] A skin external preparation characterized by containing kojic acid and / or a derivative thereof and a coated ultraviolet scattering agent as an active ingredient. By adding a surfactant to this external preparation, the effect of preventing kojic acids from being colored can be enhanced, and by adding an alcohol, the effect can be further enhanced. According to the present invention, the immediate coloring of kojic acids in the external preparation is eliminated, the coloring, dispersibility reduction and caking phenomenon of the ultraviolet scattering agent do not occur, and it is stable with time and is excellent in usability. A skin external preparation is provided. |