Prime B Cellular serumTarget All skins. For women looking for a serum which protects the skin from contaneous aging. Directions for use Mornings and evenings Apply a few drops over the whole face and neck areas. Active ingredients Hyaluronic acid and mucopolysaccharides: highly hydrating molecules which help maintain skin suppleness and elasticity. Magnesium ascorbyl phosphate: keratolytic ingredient, helps smooth skins surface. Eases collagen production and fights against