Preparation for epidermis
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United States of America Patent
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Feb 4, 1997
Grant Date -
N/A
app pub date -
May 5, 1994
filing date -
Sep 30, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A preparation for epidermis containing kojic acid and/or its derivative and a surfactant or surfactants having HLB value adjusted to 12 or less than that is disclosed. This preparation is preferably in a form of O/W emulsion or W/O emulsion, with the latter being preferably formed by gel emulsification process. The surfactants or surface active agents serve to depress coloration or decomposition of kojic acid and/or its derivative and improve application feel of the preparation.
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