What causes the longer the hair grows, the more yellow

Clause. 1. Lack of certain trace elements, such as iron deficiency anemia will lead to hair malnutrition, copper deficiency will affect the metabolism of melanin, zinc deficiency will affect the growth and development of cells, and hair will naturally turn yellow.

Clause. 2. In terms of the physiological characteristics of hair, there is a hair follicle at the root of each hair, and there are hair mother exchange cells and hair mother pigment cells around it. Once these cell functions are disturbed and impaired, black hair turns yellow.

Clause. 3. Washing your hair too often and washing your hair with alkaline soap can also cause your hair to turn yellow.

Clause. Fourth, some people think that eating food and fat are related, these substances are easy to produce lactic acid, carbonic acid, etc. in the body, and when there are too many acidic substances, the hair will gradually turn yellow.

Clause. 5. When caused by a certain disease, such as systemic scleroderma and systemic lupus erythematosus, the hair will not only turn yellow, but also fall out in large quantities. Some people's hair turns gray and gradually turns yellow, which is mainly caused by mental stress, excessive fatigue, improper diet, and excessive sugar and fat, resulting in excessive lactic acid, glacial acetic acid, carbonic acid and other acidic substances produced by the metabolic process in the body.

In view of this situation, we should make sure that life must be regular, pay attention to the combination of work and rest, and avoid excessive mental tension and fatigue. The diet should be rich in iodine, calcium, and protein. Eat more kelp, seaweed, fish, fresh milk, eggs, soy products, and eat more iron-containing foods.

Because iron has an inhibitory effect on acidic foods, such as pork liver, beef liver, onions, etc., it is easy to cause too much acidic substances in the blood, and these substances should not be eaten more. Excessive perming will also lead to yellowing of the hair, so it is generally more appropriate to perm once every 3 months to half a year. It is necessary to wear an umbrella when going out in summer, because the hair will also be damaged by long-term ultraviolet rays.

The longer the hair is, the more yellow it is, it may be that the body lacks trace elements. Or the constitution is relatively weak.

Hair is too long because the nutrition can't keep up, you can give your hair some water, and the baking oil will improve.

The common causes of yellow hair are as follows:

Malnutrition. If this type of hair is not good, you need to increase nutrition, don't be picky eaters, people who eat everything are strong. Supplementing with vitamins every day, combing your hair every day, and massaging your head can improve hair malnutrition.

Computer family. Being in front of the computer for a long time will not only affect the hair quality, but also cause hair loss. ** It can also become rough, acne and other problems.

Renal deficiency type. Hair has a great relationship with the kidneys, you can usually eat more nourishing food, black into the kidney, all black food has the function of tonifying the kidney, you can also use wolfberry to soak in water to drink, but also play a role in protecting the liver.

Lovers of hair dyeing and perms. This is one of the most hair-damaging behaviors, and all hair dyes are chemical ingredients and are not good for hair.

Genotype. You can slowly improve the quality of your hair with daily care.

The vast majority of Chinese have black hair, and if the hair is originally black and gradually turns yellow, then there may be several reasons: the first common reason is nutritional deficiency. Lack of vitamins or trace elements such as zinc, iron, copper, etc.

For example, a lack of copper will affect the activity of tyrosinase, which is the most important enzyme for melanin synthesis, and if melanin synthesis is reduced, hair may turn yellow. The second reason may be that you have some internal diseases, such as severe anemia, liver and kidney diseases, which may lead to insufficient blood supply to the hair, inhibition of melanin synthesis in the hair follicles, and yellowing of the hair. The third situation is due to external factors, such as improper perm, washing and blowing, which damage the melanin particles in the hair, and the hair may also turn yellow.

1. Malnourished yellow hair.

Malnutrition type of yellow hair is mainly caused by a high degree of malnutrition, at this time should pay attention to the allocation of diet, improve the nutritional status of the body, can be ingested from soybeans, lean meat, eggs, black sesame, walnuts, peanuts, which not only contains vegetable protein and animal protein, but also contains cysteine and cystine needed for hair grinding, which is the best food to nourish hair.

2. Acidic constitution and yellow hair.

Overwork, excessive sweets, fat will increase the acidic toxins in the blood, you can eat more kelp, mushrooms, beans, fresh milk, fish, etc., and you should also eat more fresh vegetables and fruits, such as citrus, cabbage, spinach, rape, celery, can neutralize the acidic substances in the body, thereby improving the yellowing of hair.