special functional renew-hair essence extracted from herbal serum according to hair features such as hair-losing, thinning hair, baldness(half-bald,full-bald)and grey/white hair. purely natural extract including giseng and other rare herbal ingredients.control hair-loss within 1 week and renew hair within 15 days. usage:spray or coat on the place hair loss for twice each day and massage, the function will be better and more rapid if use it with anti-loss/renew hair washing essence. volume:60ml/pc -return full payment if invalid.