The present application discloses an external composition for skin comprising a component obtaind by washing a fungus of genus Sphingomonas with acetone and then extracting the resultant with alcohol or alcohol-water mixture; an external composition for skin comprising a component extracted from a white fungi of genus Sphingomonas; and an external composition for skin comprising a sphingoglycolipid represented by the following formula:
where, R1 represents a sugar portion consisting of a single uronic acid or one to four hexoses selected from a group consisting of uronic acid, glucosamine, galactose and mannose; R2 represents an alkyl group which may have a cycloalkyl group, an alkenyl group or an alkynyl group; and R3 represents an alkyl group; these alkyl, alkenyl and alkynyl groups being straight or branched, and substituted or unsubstituted. These external compositions for skin exhibit excellent moisturizing and skin roughnes prevention effects.
本申请公开了一种皮肤外用组合物,该组合物包含一种通过用
丙酮洗涤鞘
氨单胞菌属真菌,然后用
酒精或
酒精-
水混合物提取所得的成分;一种皮肤外用组合物,该组合物包含一种从鞘
氨单胞菌属白色真菌中提取的成分;以及一种皮肤外用组合物,该组合物包含由下式表示的
鞘氨醇脂:
其中,R1 代表由单个
尿酸或一至四个从
尿酸、
葡萄糖胺、半
乳糖和
甘露糖组成的组中选出的己糖组成的糖部分;R2 代表一个烷基,该烷基可以是环烷基、烯基或炔基;R3 代表一个烷基;这些烷基、烯基和炔基可以是直链或支链的,也可以是取代或未取代的。这些皮肤外用组合物具有出色的保湿和防止皮肤粗糙的效果。