You know that unpleasant feeling when your hair feels heavy, greasy, and lifeless just a few hours after washing it? Hair oil serum Biolage ScalpSync with fermented tea will help you combat excessive oiliness in your hair. It effectively absorbs excess sebum and leaves your scalp clean and fresh. It also creates una A protective barrier that prevents sebum and dirt from spreading through the hair. After use, the scalp will be perfectly balanced again and the hair will retain its lightness and airy appearance.