Schwarzkopf Professional BC Bonacure Scalp Genesis Rebalancing Serum 100 mlLeave in serum for skin with dandruff. It restores balance to sensitive and irritated skin and prevents dandruff. Features: regenerates and nourishes hair and scalp, improves hair structure, restores balance to the sensitive scalp, promotes healthy hair growth, protects hair and scalp from external influences. How to use Apply to towel dried hair and do not rinse.