How to restore black hair?

White hair causes generally include age factors, lack of zinc, albinism, etc., need to be dealt with.

1, age factors

with age, hair will turn white, belongs to normal physiological performance, usually can not be treated to make hair black, but patients can use plant hair dye, can dye white hair black.

2, zinc deficiency patients

need to eat pig liver, pig kidney, chicken liver and other foods rich in zinc, can supplement the body needed elements, promote melanin synthesis, assist hair blackening.

3, albinism

patients can be treated by hair follicle transplantation surgery, can replace white hair follicles, promote black hair generation.