Properties:
1. It can effectively inhibit the activity of tyrosinase in the skin, block the formation of melanin, and accelerate the decomposition and excretion of melanin by directly combining with tyrosinase, thus reducing skin pigmentation,  fading color spots and freckles, and does not have toxicity, stimulation, sensitization and other effects to  melanocytes.
2. It also has the effect of sterilization and anti-inflammatory.