Biolage Scalp Sync Oil Balancing Serum targets the root cause of excess oil production with a lightweight, fast-absorbing formula. This 1.6 fl.oz serum works to regulate sebum levels while maintaining scalp health, leaving your hair feeling fresher longer. Infused with balancing botanicals, it helps restore equilibrium to oily scalps without harsh stripping. Experience noticeably cleaner hair with improved texture and shine. Perfect for those seeking a targeted solution that addresses oiliness at the source while keeping your scalp comfortable and balanced.