OIL-IN-WATER EMULSIFIED COSMETIC COMPOSITION OIL-IN-WATER EMULSIFIED COSMETIC COMPOSITION

摘要

The present invention comprises (A) a ceramide represented by the general formula (1) sphingosine (sphingosine) acids, (B) an inorganic acid and having 5 carbon atoms selected acid compound from an organic acid or less and, (C) the general formula (2) shown in (ceramide) flow emulsion and containing, (D) relates to the oil and polar oil component selected from hydrocarbon oil and, (E) water type emulsion comprising a surface active agent containing an emulsion cosmetic composition. ; (R ¹ is optionally has a substituent a hydrocarbon group; Y is a methylene (methylene), methine (methine) or O; X ^1, X ^2, X ³ is H, OH, acetoxy group; X ⁴ is H, acetyl group the like; R ^2, R ³ is H, OH, etc.; R is H, amidino group or the like; a is 2 or 3), ; (R ⁷ which may have a substituent a hydrocarbon group or H; Z is methylene, methine or O; X ^5, X ^6, X ⁷ is H, OH, acetoxy group; X ⁴ is H, acetyl group or the like; R ⁸ and R ⁹ is H, OH, etc.; R ¹⁰ is a hydrocarbon group which may have a substituent; R ¹¹ is optionally has a H, a hydrocarbon substituent group) ; The oil-in-water type emulsified cosmetic composition contains a ceramide-flow and excellent emulsion stability. ; In-water type emulsion cosmetic, sphingosine, ceramide flow