Our brightening serum contains niacinamide and Job's tears extract. It can reduce facial dullness and lighten skin tone. Its use is simple: STEP1: After cleaning and toning. STEP2: Apply 5-7 drops of serum to the whole face and massage gently in circular motions with your hand until absorbed. STEP3: Use every day, the effect is better. And speed up the removal of melanin, restore beautiful skin.