All-new Correctives Vita-C 30 delivers potent antioxidant protection and new collagen growth at an L-Ascorbic-Acid concentration of 30%. A thicker and grainy textured suspension (at this high concentration, the Ascorbic Acid actually has a rough texture) that quickly becomes liquid on application and is absorbed by the skin. This is the highest potency Ascorbic Acid product currently available on the market and the most effective at delivering the sought-after skin-health benefits of Vitamin C.