PROPHYLACTIC OR AMELIORATING AGENT FOR PIGMENTATION

PROBLEM TO BE SOLVED: To provide a novel prophylactic or ameliorating agent for pigmentation, and an external preparation for skin containing the same as a component.SOLUTION: The prophylactic or ameliorating agent for pigmentation comprises a compound represented by following general formula (1), a...

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Bibliographische Detailangaben
Hauptverfasser:	SAITO YUKO, TAMAI MASASHI
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a novel prophylactic or ameliorating agent for pigmentation, and an external preparation for skin containing the same as a component.SOLUTION: The prophylactic or ameliorating agent for pigmentation comprises a compound represented by following general formula (1), an optical isomer thereof, and/or a pharmacologically acceptable salt thereof. The external preparation for skin contains the same as a component. The external preparation has an excellent prophylactic or ameliorating effect for pigmentation. In the formula (1), R1 represents a linear chain or branched alkyl group having 1 to 4 carbon atom(s) or a hydrogen atom.