PROBLEM TO BE SOLVED: To provide a ceramide dispersion in which ceramide-containing particles having a very small particle size are stably dispersed and which shows excellent stability with time and ease of filtration.SOLUTION: The ceramide dispersion includes (1) ceramide-containing particles which contain ceramides, are dispersed in an aqueous phase as an oil phase component, and have a volume-average particle size of 1-100 nm, (2) at least one fatty acid component selected from the group consisting of (a) a 12-20C fatty acid and (b) a fatty acid salt, and (3) a polyhydric alcohol in an amount of 5-20 times the mass of ceramides, wherein a surfactant other than the fatty acid component is 0 or 0.1 times or less the total mass of the ceramides, and pH is 6-8.COPYRIGHT: (C)2010,JPO&INPIT【課題】微少な粒径を有するセラミド含有粒子が安定に分散されると共に優れた経時安定性及び濾過容易性を示すセラミド分散物を提供する。【解決手段】(1)セラミド類を含有し、油相成分として水相中に分散されると共に1nm以上100nm以下の体積平均粒径を有するセラミド含有粒子と、(2)(a)炭素数が12以上20以下の脂肪酸及び(b)脂肪酸塩の少なくとも一方の脂肪酸成分と、(3)前記セラミド類に対して5倍量以上20倍量以下の多価アルコールと、を含むと共に、前記脂肪酸成分以外の界面活性剤が、前記セラミド類の全質量に対して0又は0.1倍量以下であり、pHが6以上8以下のセラミド分散物。【選択図】なし
