Yes. Zinc supplements are advised to people suffering from hair loss as zinc is known to help prevent further hair loss and regain lost hair. Zinc is beneficial to the hair as it promotes cell production, repair of broken and damaged tissues and tissue growth. In many cases of hair loss, the root cause is found to be the deficiency of zinc. Zinc is also responsible for regulating the production of oil in certain glands which are attached to the hair follicles and thereby reducing their chances of falling off. Deficiency of zinc can lead to weakening of the hair shafts, increased hair breakage, damage prone hair, and very slow hair re-growth. This can easily be fixed by taking zinc supplements. Zinc and different zinc based solutions are used as medications in the prevention of hair loss. However, one should be very careful that the zinc supplements be taken in very low doses as a higher dose might result in poor absorption and consequent deficiency of other minerals like copper and iron. It is advisable not to take more than 5 mg of zinc at a time and certainly not more than 20 mg a day.