What it is: The APLB Glutathione Niacinamide Ampoule Serum is a lightweight, multifunctional serum that helps brighten, hydrate, and improve skin elasticity. Formulated with skin-loving ingredients like glutathione, niacinamide, and Centella Asiatica, it promotes a healthier, more radiant complexion. Product Size: 40ml Product From: Korea