Melanogenesis-inhibiting preparation for external application
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United States of America Patent
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Nov 5, 1991
Grant Date -
N/A
app pub date -
May 21, 1990
filing date -
Jun 12, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A melanogenesis-inhibiting preparation for external application contains 5-hydroxy-2-methoxymethyl-.gamma.-pyrone as an active ingredient. The preparation is usable for the remedy of and prevention of chromatosis. It is applied to human skin in the form of a milky lotion, lotion, emulsion, ointment, cataplasm or cream.
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