Oil type Ruization Group contains at object, As in this Hair Ming Department Ti Gong mono- Seed water(A) at 25 DEG C As Ye Body ester oil(B) the mind The amine alcohols Class shown in general expression (1):(1)(R1 As can have substituent group Hydrocarbon basesY As Asia methyl, methine or OX1, X2, X3 As H, OH, second acyloxy grp, X4 As H, acetyl group etc.R2, R3 As H, OH etc.R As H, carbonamidine base etc.A As 2 or 3)(the C acid compound that) You No Machine acid and 5 Ge or less You Machine Suan Suo Election of carbon Number go outAnd (D) Bile sterol or phytosterolPhase Right whats oily phase Total amounts entirely, contain ingredient (5 ~ 90 weight % of oil components institute Accounting ratios As of A) Ye Body.本發明係提供一種水中油型乳化組成物,其為含有(A)25℃下為液體的酯油;(B)一般式(1)所示之神經胺醇類:(1)(R1為可具有取代基之烴基;Y為亞甲基、次甲基或O;X1、X2、X3為H、OH、乙醯氧基、X4為H、乙醯基等;R2、R3為H、OH等;R為H、甲脒基等;a為2或3);(C)由無機酸及碳數5個以下之有機酸所選出之酸性化合物;以及(D)膽固醇或植物固醇;相對於全油相總量,含有成分(A)之液體的油性成分所佔比例為5~90重量%。
