Estée Lauder Advanced Night Repair Synchronized Multi-Recovery Complex Serum is a cult-favourite, high-performance serum designed to repair, hydrate, and visibly renew the skin overnight. Powered by advanced Chronolux™ technology, it works in sync with the skin’s natural circadian rhythm to boost repair during the night, helping to reduce multiple signs of ageing. With continued use, skin appears smoother, firmer, and more radiant with improved hydration and clarity.