YOLU Deep Night Repair Treatment is a rich nighttime hair treatment designed to deeply repair and moisturize damaged, color‑treated, or bleached hair while you sleep. It coats the hair surface with high‑moisture collagen and fills the inside with hydrating nano hyaluronic acid to restore smoothness and shine. The formula also includes night care botanical extracts to help prevent dryness of the scalp and leaves a relaxing bergamot and musk fragrance, ideal for nightly self‑care.​