Wella Professionals Ultimate Repair is a daily routine for damaged hair, designed to perfect your hair in 90 seconds*. This Ultimate Repair leave-in overnight serum visibly corrects dullness, dryness, and breakage.Containing Omega-9, which moisturises hair, as well as defense polymers that protect by creating an invisible shield, the formula helps to visibly repair damaged hair overnight and nourish it for up to 8 hours.The results can be seen from the very first night, with frizz control, up to 6x smoother hair** and more radiance. After a week you can experience up to 78% less breakage** and up to 86% less split ends** with less pillow induced breakage***. *When using ULTIMATE REPAIR Step 3 **vs. non-conditioning shampoo ***due to less tangled hair in the morning that is combed easier, vs untreated