A few of the five factors of the human frame in traditional chinese language medicinal drug, black corresponds to the kidneys. A few darkish or black ingredients, which include polygonum multiflorum, black sesame, black beans, purple rice, and so on., can assist nourish the liver and kidneys. Although it will not instantly flip white hair into black hair, it will assist to strengthen black hair. It ought to be noted that not all black meals have the identical effect. As an example, ingesting an excessive amount of cola, soy sauce, chocolate, and so on. Isn't beneficial.