1. If you want to grow your hair fast, you can eat more black sesame seeds, black soybeans, kelp and walnuts. In your usual diet, you can supplement enough nutrition for hair growth. If you pull a lot on a certain area of your hair, there are products on the market that can make your hair grow faster.

2, hair bodybuilding and diet. Black hair is one of the signs of youth and health. Hair loss, white hair, hair that is too thin and dry, and even falling off are closely related to the lack of certain nutrients in the body.

3. Copper is an essential element for hair to synthesize melanin. When the copper content in human body is lower than the normal level, it will not only cause metabolic disorder and anemia, but also make hair growth stagnate, fade and appear gray hair.

4. Foods such as animal liver, lean meat, eggs, soybeans and hard fruits contain copper and pantothenic acid. Pantothenic acid can promote the formation of melanin granules, and it is also an important nutrient element for blackening hair.

Zinc plays an important role in anti-aging and hairdressing. Blood is the basis of nutrition. From this point of view, in order to make hair fit, it is very necessary to supplement iron from the diet.