Allen a82 Premature Greying of Hair Drop prevents hair fall, dandruff, itching on scalp, thinning of hair and early greying of hair.Early Graying of Hairs, Controls Hair Fall, Improves Growth, Promotes Luster.Hair turns gray if the overload of melanin and hydrogen peroxide is found in the body genetically. Vitamin B12, Zinc znd copper are responsible for the proper nourishment of the hair that assists metabolic processes involved in giving hair its natural color. Greying of hair is common these days and can be helped