It is a lipophilic and hydrophilic amphoteric vitamin C derivative.

It can block the formation of melanin by inhibiting the activity of tyrosinase; it has whitening and freckle effect (when 2% is added); it resists inflammation caused by sunlight, has a strong anti-bacterial and anti-inflammatory effect; at the same time, it improves dull and dull skin, giving The skin is shiny and elastic, repairs skin cell activity, and promotes collagen production.