TX Ampoule. Benefits: Advanced Tone-Correcting Radiance Boost Dr. Melaxin TX Ampoule delivers concentrated tranexamic acid and antioxidants to target stubborn discoloration and dullness, helping skin appear more luminous and balanced over time.. Features: High-Concentration Brightening Formula Dr. Melaxin TX Ampoule combines tranexamic acid with niacinamide and glutathione in a lightweight serum base that absorbs quickly to help support brighter, more even-looking skin with daily use.. Key Ingredients: Tranexamic Acid + Niacinamide + Glutathione Dr. Melaxin TX Ampoule blends pigment-targeting tranexamic acid with niacinamide for tone correction and antioxidant glutathione to help support clarity, smoothness, and a radiant complexion..