Bring a look of instant radiance to the skin with this rapidly brightening Vitamin C serum from Sunday Riley. The highly concentrated, ultra-stable Vitamin C works to brighten and tone, while diminishing the appearance of dark spots and discoloration. Skin looks plump and firm with an even tone and youthful bounce. THD ascorbate is both a highly stable and oil-soluble form of Vitamin C, that rapidly absorbs into the skin, enhancing the appearance of the complexion's tone, clarity and brightness. It also has hydrating antioxidants to polish, protect and illuminate, making skin look evenly toned. Saccharide isomerate extract helps to smooth the look of pores while reinforcing the skin's moisture barrier for an all-over glow* Formulated for all skin types* 1 fl. oz*How to Use:* Apply one to two pumps to clean skin, morning and night. For enhanced visible brightening, follow with Good Genes, CEO Protect + Repair Cream, or Tidal brightening Enzyme Water Cream.