1, black sesame. It is well known that black sesame seeds can make hair black and shiny. Therefore, after people have white hair, the first thing that comes to mind is to eat black sesame seeds for treatment. According to Chinese medicine, black sesame is sweet and contains linoleic acid, palmitic acid, vitamin E, folic acid, protein and calcium. Eating black sesame seeds regularly can not only nourish black hair, but also moisten the intestines and relax the bowels, nourish the liver and kidney, prevent people from aging rapidly, and so on. Therefore, I suggest that you eat this kind of food as much as possible.

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 and chromium. Eating more walnuts can not only replenish 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 gradually turn black.

3. carrots Carrot is a kind of food that we often eat in our daily life, and it has high nutritional value, so it has the title of "Little Ginseng". People usually eat some carrots, which will speed up the metabolic function in the body and make their hair black, but it will take some time for people to see the obvious effect. Carrots contain a lot of vitamin A, so they have the effect of nourishing the liver and improving eyesight, and can also effectively treat night blindness. In addition, because carrots are acid-resistant, it is best not to put vinegar in the process of frying carrots, otherwise the efficacy of carrots will lose its effect. At the same time, people should pay special attention to eating carrots at ordinary times, and should not eat them raw with peppers, otherwise it will destroy the vitamin C contained in carrots.

4, royal jelly. People may not know that the nutrition contained in royal jelly can accelerate the synthesis of melanin in the body and even in the scalp, and at the same time, it can make melanin particles quickly transported to hair follicles, thus turning white hair black.