004-BR SKIN BRIGHTENING CREAM. Formulated for sensitive skin, this serum-like moisturizer brings together Melatonin, Glutathione and Ascorbic Acid (Vitamin C) to brighten skin gently and safely. Glutathione and L-Ascorbic Acid even out skin tone by inhibiting pigment production in the skin. Their brightening effect is amplified by Melatonin, a powerhouse antioxidant that boosts other antioxidants, such as Glutathione.