WHITENING COSMETIC

Provided is a cosmetic agent superior in a whitening effect (including prophylaxis and removal of pigmented spot) and having high safety. In addition, a superior melanin production suppressive agent is provided. A cosmetic agent or melanin production suppressive agent comprising (A) a cysteine deriv...

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Bibliographische Detailangaben
Hauptverfasser:	KURODA, Shinji, OKURA, Fumie, TAKINO, Yoshinobu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	Provided is a cosmetic agent superior in a whitening effect (including prophylaxis and removal of pigmented spot) and having high safety. In addition, a superior melanin production suppressive agent is provided. A cosmetic agent or melanin production suppressive agent comprising (A) a cysteine derivative represented by the formula (I) or a salt thereof: wherein X and Y are each independently OR 1 or NHR 2 wherein R 1 and R 2 are each independently a hydrogen atom or a C 1-22 alkyl group; Z is a hydrogen atom or a C 1-22 alkyl group; and W is a C 1-22 alkyl group, a C 1-22 alkoxy group or a C 1-22 alkylamino group, and (B) a whitening agent.