The secret to maintaining healthy hair growth

Stages of hair growth

 

Everyone is born with about 5 million hair follicles. Hair grows from these follicle cells. There are about 100,000 hair follicles on the scalp. People with oval hair follicle cells have very curly hair, while people with round follicles have very straight hair.

 



The stages of hair growth are as follows:


1. Each hair follicle cell contains a hair root composed of a cell body and related proteins.

2. When blood circulates in the body, it transports oxygen and nutrients to the cell body to promote the growth of hair follicle fibrin.

3. When proteins are synthesized, they form hair and push up through the skin.

4. When hair grows out of the skin, it first passes through the oil glands. This keeps the hair soft, shiny and smooth.

5. When the hair grows long enough to pass through the skin, the upper part has no biological activity. As the new hair underneath grows, it pushes the "dead" hair out of the skin. Then it eventually falls.

Not all hair follicles remain active at the same time. For example, the hair follicles on the scalp will keep long hair active for several years, and then may be inactive for a period of time. This inactive part of the hair growth cycle is called the "Telogen Phase".

 

For people who have a normal hair growth cycle, about 50-100 hairs will be lost every day.




Factors affecting hair growth

 

Many factors affect the growth rate of hair. Including: genetics: a person’s genes will determine the growth rate of their hair; gender: male hair grows faster than female hair; age: hair grows fastest between 15 and 30 years old, and then slows down. As we age, some follicles stop working altogether. This is why some people have thinning or bald hair; Nutrition: Good nutrition is essential for the healthy growth and maintenance of hair.



 

In addition, a phenomenon called "telogen effluvium" refers to the "stop period" in which hair roots enter prematurely due to stress and other reasons, resulting in a large amount of hair fall temporarily. Common causes of telogen effluvium include: childbirth, high fever, severe infection, severe illness, surgery, overactive or insufficient thyroid activity, insufficient protein intake, etc. Several drugs may also cause the occurrence of telogen effluvium, including: retinoids, beta blockers, calcium channel blockers, antidepressants, non-steroidal anti-inflammatory drugs such as ibuprofen, etc.



How to keep hair growing healthily?


According to The Trichological Society, there is little evidence that using special shampoos or taking supplements can make hair grow faster. So everyone should stop believing in any "magic shampoo". However, there are many ways to promote hair health, such as a healthy diet.

 



Good nutrition is the key to maintaining healthy hair growth. This is because hair (mainly hair roots) absorb nutrients from the blood. Consuming a healthy diet containing fruits, vegetables, grains and moderate amounts of fat can promote healthy hair. E.g:

1. Fish: Fish contains essential omega-3 fatty acids, protein, vitamin B-12 and iron, all of which can prevent dry scalp and prevent hair from darkening.

2. Green vegetables: These vegetables contain high levels of vitamin A and C, which help keep hair healthy.

3. Beans: These are rich in protein, which can promote hair growth and help prevent fragile and fragile hair.

4. Biotin: A lack of biotin can cause brittle hair or hair loss. Whole grains, liver, egg yolks, soy flour and yeast all contain biotin.

5. Nuts: These are good sources of selenium and are important for a healthy scalp. Some nuts also contain alpha-linoleic acid and zinc. These help condition the hair and prevent fallout.

6. Low-fat dairy products: These are good sources of calcium, and calcium is another key component of hair growth.

 

So, what factors can cause slow hair growth? Factors that can slow down hair growth include: eating too fast, eating disorders, stress, smoking, vitamin deficiency, etc. Therefore, in order to maintain a healthy hair growth rate, try to avoid the above habits.



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