Self Tan Purity Vitamins Face Serum by St. Tropez is a bronzing water serum designed especially for the face. Formulated with hyaluronic acid, peach flower extract, and green mandarin water, it mimics the look of a sun-kissed glow. Applied directly onto skin or mixed with your usual moisturizer or sunscreen, the face serum glides onto skin leaving a powder-soft finish. It gives the appearance of a golden glow and has a light tropical scent.