This Neutrogena Hyaluronic Acid Serum is designed to deeply hydrate and replenish the skin's moisture barrier. Formulated with high concentrations of Hyaluronic Acid, it works to plump the skin, smoothing the appearance of fine lines and dryness. Its lightweight texture allows for rapid absorption without leaving a heavy residue, making it an excellent addition to any daily skincare routine, suitable for use morning and evening before moisturizer.