The Charlotte Tilbury Charlotte’s Magic Serum Crystal Elixir Brightening is a luxurious facial serum formulated with powerful active ingredients such as Niacinamide, Vitamin C, Polyglutamic Acid, and Peptide. This 1.0 fl oz serum is specifically designed to provide hydration and brightening effects on the face. With its high-quality formulation and coveted ingredients, this product from the Charlotte’s Magic Serum Crystal Elixir line is sure to leave the skin looking radiant and revitalized.