Schwarzkopf Bonacure MEN Phytobiogin Tonic 3.4 oz. Clinically tested tonic for hereditary loss of hair. Stimulates the blood circulation of the scalp and supports the nutrient supply to the hair's roots. Works effectively by activating the cell regeneration process (tested in vitro on cell cultures). Reduces hair loss by up to 20% after just 3 months of daily application. Protects fine hair against damage from outside influences. Moisturises and refreshes the scalp