Although the packaging may have some creases, it is unused and unopened. This serum can be used 24 hours a day, both before and over makeup. Two types of hyaluronic acid provide luxurious hydration from both the outer and inner layers of the skin. It quickly absorbs into the skin, leaving it feeling comfortable and refreshed. The oil-free formula provides a non-sticky feel, and from the moment you apply it, your skin will feel moisturized and firm. It can be used around the eyes, as well as on areas prone to dryness, such as the sides of the nose and around the mouth. Oil-free, fragrance-free, colorant-free, surfactant-free, and weakly acidic.