This set includes three serums from The Copper Science: 2% Hyaluronic Face Serum, 0.5% Retinol Face Serum, and 10% Vitamin C Face Serum. All the serums are 40% used approx except for the box one which is unused, But all are in excellent condition. Get the set today! I am selling these for lower price because it will get expired within 5months.