Packed full of nutrient-rich brightening ingredients and skin-softening agents, NUMBUZIN’s No. 5 Vitamin Concentrated Serum is an intensive treatment that fades discolouration, evens out skin tone and texture, bolsters the skin barrier, and hydrates the skin – the ultimate multitasking addition to your skincare routine! The formula features a blend of powerful skin brighteners – Glutathione, Tranexamic Acid, and Niacinamide – that work synergistically to inhibit melanin production, preventing new dark spots from forming, fade pigmentation and acne scars, and tackle dullness, for a complexion that looks radiant and healthy.