Combining Glutathione and Niacinamide for skin brightening can be extremely beneficial for your skin., Niacinamide helps reduce pigmentation and dark spots, whereas glutathione helps reduce melanin Combining Glutathione, Niacinamide, and Vitamin E creates a triple threat formula that targets brightening, barrier repair, and deep protection., Here is a breakdown of the specific benefits of this APLB Glutathione Niacinamide Facial Cream 55ml, Hydrating, Brightening, Soothing Walmart.com Niacinamide Glutathione Serum, 1.69 fl oz (50 ml)