Skin-whitening agent
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United States of America Patent
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Nov 16, 1993
Grant Date -
N/A
app pub date -
Aug 21, 1990
filing date -
Sep 20, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Lactic acid and its derivatives such as D-lactic acid, L-lactic acid, DL-lactic acid, and their nonmetallic derivatives and lactates of alkali metal or alkaline earth metal exhibit a strong skin-whitening effect at a concentration of 5 w/w % or higher in pigment cell. The skin-whitening effect is augmented by unsaturated fatty acids having a carbon number of 12-22.
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Cited Art Landscape
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