Savanna. Hairdresser. Amsterdam. Colorist and salon owner who specializes in long-hair color work, from balayage to dimensional highlights. Focuses on healthy, glossy results. Hairdresser. Amsterdam. Colorist and salon owner who specializes in long-hair color work, from balayage to dimensional highlights. Focuses on healthy, glossy results. Hairdresser. Amsterdam. Colorist and salon owner who specializes in long-hair color work, from balayage to dimensional highlights. Focuses on healthy, glossy results.