The Estée Lauder Advanced Night Repair Synchronized Multi-Recovery Complex Serum works to enhance your beauty sleep by delivering a surge of radiance-enhancing moisture as you sleep. Offering up to 72-hour hydration, the award-winning serum helps to visibly soften, smooth and plump the skin. The serum is infused with hyaluronic acid to attract and lock in moisture, while exclusive Chronolux™ Power Signal Technology helps to support the natural synchronisation of the skin's renewal processes. Suitable for all skin types, the serum offers night-time nourishment to promote a replenished appearance to your complexion.