First: Eat more foods containing iron and copper, such as liver, eggs, black fungus or kelp, and soybeans. You can eat nuts or legumes as snacks.

Second: Eat more foods containing vitamin B, such as cereals, dried fruits or eggs.

Third: Foods that can increase melanin. Glutamic acid substances in the human body can synthesize melanin substances. Therefore, to have enough melanin, you need to supplement it through food, such as eating more nuts, rabbit and beef.

Fourth: Eat more foods containing protein and vitamins, such as carrots, spinach, leeks and other foods.

Fifth: Eat more foods that can blacken hair and nourish the kidneys, such as black sesame, wolfberry, yam and black beans.

In addition, in addition to eating food when white hair occurs, the most important thing is to supplement nutrition for the hair. It is recommended to take hair special nutrients orally. If you insist on it for a period of time, you can supplement the hair with comprehensive nutrition, thereby inhibiting the growth of white hair. , thereby making white hair gradually turn black.