medicube AGE-R Glutathione Glow Serum 50mlThis brightening ampoule features a high concentration of Glutathione (50,000ppm, 99. 4% purity) along with Niacinamide, Adenosine, and Collagen, offering dual functionality for brightening and wrinkle improvement. Through its exclusive Active Glow Zone Technology, it enhances the delivery of active ingredients to help reduce melanin pigmentation, dark spots, and uneven tone, while improving radiance, lifting, firmness, and overall skin texture. It