OLIVIAUMMA Glass Skin Tanghulu serum promises a revitalized complexion. Infused with strawberry and tangerine, this multivitamin serum delivers vitamins A, B, C, and E. Drawing inspiration from a popular Korean dessert, the serum provides antioxidants for anti-aging and brightening effects. Niacinamide helps build the skin barrier, while visible tangerine granules may boost collagen production. The serum intends to energize, brighten, and improve skin tone, for a healthy-looking complexion.