PUR Eye Tone Up Serum is the best skin moisturizing under eye serum. This product is specially formulated to help reduce the look of dark circles and fine lines and wrinkles around the eyes. This tone up eye serum provides the essential hydration stimulation to remove fine lines and wrinkles. Pur cosmetics are specially formulated to provide better-looking skin in 60 seconds and healthier glowing skin in 60 days. Pur cosmetic line is the only line clinically formulated to enhance the look and feel of your natural skin. All of Pur’s products are formulated with good for your skin ingredients that help cover imperfections and help correct skins overall appearance.