| abstract |
(A) a liquid ester oil at 25 ° C.,n n n (B) Spingosin represented by the general formula (1)n n n n n n n n (R 1 is a hydrocarbon group which may have a substituent; Y is methylene, methine or O; X 1 , X 2 , X 3 is H, OH, acetoxy group; X 4 is H, acetyl group, etc .; R 2 , R 3 is H, OH, etc .; R is H, amidino group; a is 2 or 3),n n n (C) an acidic compound selected from inorganic acids and organic acids having 5 or less carbon atoms, andn n n (D) cholesterol or phytosteroln n n The water-based emulsion composition containing 5% by weight and containing 5% by weight to 90% by weight of the oily component of the liquid containing component (A) with respect to the total amount of oil phase.n n n Underwater type emulsifying composition |