OIL-IN-WATER EMULSION COSMETIC

To provide a cosmetic with increased temporal stability.SOLUTION: An oil-in-water emulsion cosmetic has a pH of 6 or less and contains (A)-(E) as essential components: (A) a tetra-fatty acid ester derivative of L-ascorbic acid which is represented by formula (I) in the figure, where R represents a b...

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Bibliographische Detailangaben
Hauptverfasser:	TANAKA SAYAKA, MURAKOSO KEIKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	To provide a cosmetic with increased temporal stability.SOLUTION: An oil-in-water emulsion cosmetic has a pH of 6 or less and contains (A)-(E) as essential components: (A) a tetra-fatty acid ester derivative of L-ascorbic acid which is represented by formula (I) in the figure, where R represents a branched C8-C18 alkyl fatty acid residue; (B) a polar oil which is liquid at 25°C and has an IOB value of 0.1-0.5; (C) a chelating agent; (D) an antioxidant; and (E) water.SELECTED DRAWING: None 【課題】経時安定性が高められた化粧料の提供。【解決手段】（Ａ）〜（Ｅ）を必須成分として含み、ｐＨ６以下である、水中油型乳化化粧料。（Ａ）下記一般式（I）で示されるＬ−アスコルビン酸テトラ脂肪酸エステル誘導体【化１】（式中、Ｒは分枝した炭素数８〜１８のアルキル脂肪酸残基を示す）（Ｂ）２５℃で液状である、ＩＯＢ値が０．１〜０．５の極性油剤、（Ｃ）キレート剤、（Ｄ）抗酸化剤、（Ｅ）水【選択図】なし