1. How does hair grow?
Each person is born with about 5 million hair follicles. Of these, there are about 100,000 hair follicles on the scalp. Therefore, it is very normal to recite about 50-100 hairs every day. As we age, some hair follicles stop growing, leading to thinning or baldness.
Hair grows from the bottom root of the hair follicle under the skin. The blood on the scalp travels to the hair follicles, providing oxygen and nutrients to the roots to help hair grow. As hair grows, it pushes through the skin, passing through the oil glands. Oil glands make hair shiny and soft.
Every month, hair grows on average about 1.2cm. Hair grows about 15cm each year. How fast or slow hair growth depends on: Age, hair type, general health and other health issues. Several factors can slow hair growth or cause hair loss such as: Genetics or family history of hair loss, nutritional deficiencies, hormonal changes, medication use, trauma that causes loss of hair follicles ,..
2. What to eat to grow hair fast?
Genetics plays an important role in maintaining hair growth. In addition, the diet also contributes to the stimulation of hair growth. Some dietary notes to help grow hair fast are as follows:
Avoid dieting: Dieting can reduce the amount of nutrients needed for hair growth. Because hair growth is given less priority than other body functions, if the body is stressed, lack of nutrients due to diet, hair growth will slow down. Besides, even after returning to a healthy diet, hair loss will continue for the next few months;
Eat enough protein: If the diet is limited in protein intake, hair growth will be slow, and may even fall out. Therefore, to stimulate hair growth, each person should eat a balanced diet with adequate protein intake. Should eat at least 50g of protein per day from vegetables, yogurt, nuts, … Note, too much protein can affect the kidneys or cause hair to become brittle. It is best to get protein for the body from the diet instead of supplements;
Eat foods with caffeine: Caffeine boosts energy and promotes hair growth;
Boost your diet with essential nutrients: Vitamins, fatty acids and minerals are especially important for overall health. At the same time, they also play an important role in providing the body with the energy needed for hair growth. These nutrients include biotin, vitamin C, vitamin D, vitamin E, zinc, iron, Omega-3 and Omega-6.