Dr. Dennis Gross Derminfusions Fill + Repair Serum plumps skin like filler. Formulated with hyaluronic acid and a volumizing complex, this serum quickly softens fine lines and textural irregularities. Its MicroCelle Delivery system aids in deeper penetration of key ingredients for long-lasting hydration. Niacinamide and ectoin brighten, balance, and soften skin while delivering cooling and soothing effects. This serum helps repair the skin barrier to leave a firmer, smoother-looking finish.