Brightening Essence Hydrates, Nourishes And Nourishes The Skin And Tones The SkinOur brightening serum contains malic acid and salicylic acid. It gently removes dead skin cells and boosts metabolism. The way to use it is simple: clean the face and keep it dry, apply an appropriate amount of serum to the face and neck, and gently massage to promote absorption. It can also improve the texture of the skin and make it smooth and delicate.