NUMBUZIN No.5 Vitamin Concentrated Serum 30mlNUMBUZIN No. 5 Vitamin Concentrated Serum is a powerful brightening and nourishing serum formulated to tackle dark spots, uneven skin tone, and dullness. With key ingredients like Niacinamide, Tranexamic Acid, and Ascorbic Acid (Vitamin C), it works to reduce hyperpigmentation and boost skin radiance. The serum also includes 3 O Ethyl Ascorbic Acid, a stable form of Vitamin C, for enhanced brightening effects. Enriched with botanical extracts like