What it is: A jumbo version of the fast-absorbing serum infused with 15% THD ascorbate (vitamin C) to fight the look of dullness, dark spots and discolorations.Who it's for: Ideal for all skin types.What it does: It instantly increases brightness, radiance and luminosity while fighting the look of dark spots and discolorations at the source. Skin looks firmer and plumper, and your youthful bounce and even skin tone are restored. The gold-standard form of vitamin C, THD ascorbate is both highly stable and oil-soluble, helping it to rapidly absorb into the skin for enhanced tone, clarity and visible brightening. This hydrating formula instantly polishes, protects and illuminates the skin while phytosterols help to reduce the look of redness and skin sensitivity. Saccharide isomerate extract diminishes the appearance of pores and reinforces the skin's moisture barrier for a skin-smoothing glow. Glycolic acid provides mild refinement to the skin and helps maintain the pH of the serum for maximum vitamin C efficacy while supporting natural cell turnover and glow of skin. How to use: Apply 1–2 pumps of the serum to clean skin morning and night. $284 Value 3.4 oz. Cruelty-free Made in the USA