1, black sesame: Black sesame can make hair black and shiny, which is known to many people. Therefore, after people have white hair, the first thing they think of is to treat it by eating black sesame. According to the doctor of traditional Chinese medicine, black sesame is sweet, and it contains linoleic acid, palmitic acid, vitamin E, folic acid, protein and calcium, and so on. Eating black sesame regularly can not only nourish and blacken hair, but also moisten the intestines, relieve constipation, nourish the liver and kidney, prevent people from aging rapidly, and so on. Therefore, people are advised to eat as much of this food as possible at ordinary times.

2, walnuts: Many people like to eat walnuts, this is because walnuts contain many trace elements and minerals that are beneficial to human absorption, such as: calcium, phosphorus, catalpa, manganese, chromium, etc. Eating more walnuts can not only supplement nutrition to the brain, but also effectively prevent aging. In addition, after research, it is found that if you insist on eating walnuts every day after growing white hair, your white hair will slowly turn black.

3. Carrot: Carrot is a kind of food that we often eat in our daily life, and its nutritional value is very high, so it has the title of "Little Ginseng". People often eat some carrots at ordinary times, which will speed up the metabolic function in the body, and at the same time make their hair turn black, but it takes people a while to see the obvious effect.