Brighten skin in just 14 days with Guinot Anti-Dark Spot Serum.This two-piece treatment is formulated with a unique combination of anti-dark spot and anti-aging ingredients to dramatically brighten skin and correct dark spots in just 14 days.Formulated with:Vitamin C, Melanoxyl, Phytic Acid: Lowers initial melanin levels in skin to reduce dark spots, while slowing melanin production to prevent new spots from forming.Vitamin C + 56 cellular ingredients: Stimulate cell renewal, promote collagen synthesis and protect skin against free radical damage.Included in box (to be used within 14 days of opening):1 bottle of serum (0.69 fl oz)1 vial of vitamin C (0.05 fl oz)