NATURAL SKIN WHITENER: 4-HYDROXY-OXINDOLE-3-ACETIC ACID

A cosmetic and dermatological composition comprises 2, 3-dihydro-4-hydroxy-2-oxo-1-H-indole-3-acetic acid (4-hydroxy-1-oxindole-3-acetic acid) as an active ingredient for use as a melanin inhibitor and as an anti-tyrosinase enzyme inhibitor. This composition is excellent as a skin whitening agent. S...

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Bibliographische Detailangaben
1. Verfasser:	WILLE, JR. JOHN JACOB
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY 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:	A cosmetic and dermatological composition comprises 2, 3-dihydro-4-hydroxy-2-oxo-1-H-indole-3-acetic acid (4-hydroxy-1-oxindole-3-acetic acid) as an active ingredient for use as a melanin inhibitor and as an anti-tyrosinase enzyme inhibitor. This composition is excellent as a skin whitening agent. Since it also has potent antioxidant and anti-irritant activities it is useful in a cosmetic composition for improving hyperpigmentation disorders of the skin.