| abstract |
An object of the present invention is to provide an external preparation for skin that retains the stability of the preparation over time and has an excellent usability. SOLUTION: One or more oxidizable substances selected from the group consisting of retinol or a derivative thereof, thioctic acid, and ubidecalenone are mixed with a fat-soluble antioxidant, a water-soluble antioxidant, an unsaturated fatty acid, an acrylic. By blending a system thickener, it is possible to provide a preparation with improved usability that improves the stability of the preparation over time. For this reason, the effect | action of a retinol or its derivative (s), thioctic acid, and ubidecarenone can be exhibited effectively according to the compounding quantity. [Selection figure] None |