Give your skin a megadose of Vitamin C. Our 20% Vitamin C + E + Ferulic Acid serum brightens skin, builds collagen, and evens out tone. Enhanced with Vitamin E and Ferulic Acid, this serum is a great pick me up for dull, discolored, and stressed skin, while providing 24/7 protection against environmental pollutants. Now, in new, single use packaging, perfect for travel and for on-the-go! Each box comes with a one month supply (28 pcs).