Dark spots have always been my skin struggle, but the No.5 Glutathione Serum truly helped. With Glutathione, Niacinamide & TXA, it helps brighten skin, fade dark spots, and even out skin tone. No.5 Glutathione Vitamin Concentrated Serum, 1.01 fl oz (30 ml) Glutathione Skin Whitening Side Effects Cost of Glutathione Injection and Glutathione Soap, Cream SKINCARE STORE IN PORT HARCOURT Numbuzin No.5+ Glutathione Vitamin Concentrated Serum is a Korean brightening serum geared toward dark spots, acne marks, and uneven tone. Instagram Amazon.com: numbuzin No.5 Glutathione TXA Dark Spot Ampoule, Targeted Tone Care Concentrate for Dark Spots & Uneven Skin, Tranexamic Acid, Niacinamide, Vitamin Tree Water, Korean Skincare, 10.7g : Beauty & Personal Care