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. Sunday Riley is a B Corp Certified line of layer-able formulas that unite the most advanced breakthroughs in cosmetic science with pure, potent botanicals. As the brand's founder, cosmetic chemist, and formulator, Sunday Riley ensures sure each product has countless hours of research and development to produce clean, highly effective formulas that deliver results you can feel good about. Each technology-driven blend delivers active ingredients at maximum concentration, guaranteeing noticeable anti-aging benefits, long-term rejuvenation and instant, luminous results. Beauty Return Policy: We are unable to process returns for opened and used beauty products. All products must be returned in original condition and packaging to our Returns warehouse. Store locations do not accept returns for Beauty products. Made in the USA