With a combination of tranexamic acid, glutathione, and niacinamide, improving dark spots and hyperpigmentation is surprisingly easy. TXA: Suppresses melanin production to brighten the skin. Glutathione: Provides antioxidant benefits and Should You Add Tranexamic Acid to Your Brightening Routine? The Skinimalist (Gifted & Repurchase: Unpaid Ad) Glutathione + tranexamic acid + niacinamide in ONE serum and yes, I get the hype now Ive been using the numbuzin No.5+ Vitamin Concentrated Serum in my AM routine This 5% Tranexamic Acid serum is made to target dark spots, uneven tone and post acne marks without irritating your skin With Niacinamide, Glutathione and Adenosine, it helps brighten, smooth and visibly even