MELANIZATION INHIBITORY DRUG FOR EXTERNAL USE

PURPOSE:To obtain the titled drug for external use, containing kojic acid or an ester thereof and vitamin C (derivative), having synergistic inhibitory action on melanization and capable of exhibiting more remarkable beautifying, whitening and antisunburn effects. CONSTITUTION:A drug for external us...

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Bibliographic Details
Main Author HATAE SHINKICHI
Format Patent
LanguageEnglish
Published 28.03.1989
Subjects
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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Summary:PURPOSE:To obtain the titled drug for external use, containing kojic acid or an ester thereof and vitamin C (derivative), having synergistic inhibitory action on melanization and capable of exhibiting more remarkable beautifying, whitening and antisunburn effects. CONSTITUTION:A drug for external use obtained by containing kojic acid or an ester thereof and vitamin C or a derivative thereof (e.g. alkyl L-ascorbate or L-ascorbic acid phosphate) at 1:0.01-1:20, preferably 1:0.1-1:10 weight ratio of the former to the latter. The amount of both blended active ingredients is preferably within the range of 0.5-10wt.% for a cosmetic or 0.5-5wt.% for an ointment.
Bibliography:Application Number: JP19870241965