Brand from South Korea: GLUTANEX. Benefits:This milky serum brightens the skin, promoting a clear and transparent complexion.Enriched with Glutathione to help fade dark spots and even out skin tone by reducing melanin production.Formulated with NMN and NAD+ to revitalize dull skin cells and promote youthful skin radiance.Contains Tranexamic Acid to effectively target stubborn dark spots, melasma, and hyperpigmentation.How to use:1. Use as the next step after toning. Pump an appropriate amount of serum into your hands.2. Gently spread it across your face along the skin texture, and lightly pat until fully absorbed.