The Advanced Night Repair X5 50ml by Estee Lauder is a highly effective anti-aging serum specifically designed for nighttime skin regeneration. Its innovative formula supports the skin's natural repair process during sleep, reduces visible signs of aging, and improves skin texture. Ideal for anyone seeking firmer, smoother, and more radiant skin. The serum is easy to apply and absorbs quickly without leaving a sticky residue. It is the successor to a proven line known for its effectiveness and compatibility.