Some people have a large number of white hair before entering middle age, which is not only caused by heredity, but also has an important relationship with the lack of nutrients in hair. Shepherd's purse is rich in protein, carotene, crude fiber, vitamins, iron, calcium, phosphorus and other nutrients, which can prevent hair from turning white early after eating.

2. Black sesame

Dry hair, easy to be torn, split, white and so on, can be improved by eating black sesame seeds. Black sesame contains a lot of oleic acid, folic acid, protein, palmitic acid, vitamin E, calcium and many other nutrients needed for hair care.

3. Hericium erinaceus

Hericium erinaceus is one of the best in hair care and hairdressing. Eating it often helps to promote hair growth. The protein content of Hericium erinaceus is quite high, and it can also provide rich vitamins and mineral elements for hair care.

4. Carp

Carp is a relatively easy fish to buy. Eating carp can make hair black and prevent hair from yellowing.