What it is: A serum oil created to provide sufficient levels of vitamin D through topical application. What it is formulated to do: The first and only serum to supply the skin with active vitamin D, this product includes other active ingredients in a concentrated treatment that delivers multiple skincare benefits. Its enhanced antiaging properties include improved skin elasticity and bounce, greater hydration, pore reduction, and improved radiance. What it is formulated WITHOUT: Parabens. Sulfates. Synthetic Fragrances. Synthetic Dyes. Petrochemicals. Phthalates. GMOs. Triclosan.