NUMBUZIN No.5 Glutathione TXA Advanced Dark Spot Ampoule Concentrate 17g is a Korean 2-week targeted treatment for dark spots and uneven tone. A press-and-mix cap keeps pure Glutathione powder sealed until activation, then blends with Tranexamic Acid, Niacinamide, and Vitamin Tree Water for fast brightening results. The lightweight, non-sticky texture layers easily. Dermatologically tested for skin irritation. Order COD from koreanshopbd.com.