Nutrients for hair: 1, trace elements such as copper and iron in food are important substances to maintain hair health. The lack of copper in human body will lead to light hair color, and the lack of iron will affect the oxygen content in hair blood. 2, vitamin food, hair loss and dandruff are common symptoms of the lack of vitamin A in the human body, so eat more foods rich in vitamin A, such as animal liver, fish, eggs, in addition, vitamin B can promote the metabolism of the scalp, vitamin C has the effect of regulating sebaceous gland secretion and activating microvascular walls. 3, protein's food, protein is the basis to ensure the health of hair, eat more foods rich in protein, which can be digested and absorbed by the gastrointestinal tract to form amino acids, which can be absorbed by the hair papilla at the root of the hair after entering the blood, keratinizing the synthetic keratin and finally forming hair. Therefore, taking enough protein every day is beneficial to hair growth. 4, mineral foods, when hair loss occurs, you may wish to add more mineral-rich foods such as iron, zinc and calcium to your diet. These minerals are essential for hair growth, and there are many foods containing minerals in your life. More common are milk and dairy products, beans, vegetables, shrimp skin, animal liver, egg yolk, meat, fish and so on. 5, vegetables, male friends are more prone to hair loss than women, mostly because they eat less vegetables and fruits in their daily lives. Therefore, Mengba hair care teacher reminded that in daily life, men should eat more foods that are conducive to increasing hair nutrition. Foods conducive to hair growth generally come from green vegetables, potatoes, beans, seaweed and so on. Therefore, in our daily diet, we should eat more vegetables such as spinach, leek, celery, round pepper and green bamboo shoots. Green vegetables help to form melanin and keep our hair black forever. In addition, these green foods are rich in fiber, which can not only treat hair loss, but also continuously increase the number of hair.