Kojic acid dipalmitate is modified kojic acid derivative,which not only overcomes the instability to light, heat and metallic ion,but also keeps the inhibitory tyrosinase activity and prevents the forming of melanin.
Kojic dipalmitate owns stable chemical property. It will not turn yellow for oxidation, metallic ion, illumination and heating. Asfat soluble skin whitening agent,it is easier to be absorbed by skin.
The recommended amount of kojic acid dipalmitate in cosmetics is 1-5%; the amount of whitening products is 3-5%
Kojic acid dipalmitate is produced by chemical synthetic method. It overcomes the defects which kojic acid usually has, such as the unstability to light and heat, and the color variation caused by formation of complexes with metallic ions. Kojic acid dipalmitate can preserve or promote the restraining power of kojic acid against tyrosinase activity TRP-1 activity, as well as delaying the melanogenesis.
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