The brightening foaming cleanser provides effective cleaning (99% impurity removal) that leaves the face looking clean and bright. this happens because of the use of mulberry extract and a whitening vitamin complex. whitening complex in this context consists of aa2g (ascorbyl glucoside) & mulberry extract ??ascorbyl glucoside that helps inhibit the enzyme tyrosinase, responsible for melanin production.mulberries are known to contain ascorbic acid and niacin. ascorbic acid (vitamin c) is a tyrosinase inhibitor that is known to brighten skin. niacin (vitamin b) is known to inhibit melansome transfer and also brighten skin.