Destroy the body's immunity and nutrition, and then lead to hair loss. Specifically, it is mainly manifested in:
1, dieting will cause stress to the body.
When people feel nervous, whether it is psychological pressure or physiological pressure, it will cause hair to stop growing and enter a period of retrogression and dormancy. The most common "alopecia areata", also known as "ghost shaving", is because of excessive pressure or overwork in a short period of time, resulting in local immune abnormalities and hair loss.
Dieting will reduce iron in the body.
Dieting can lead to iron deficiency in the body, and iron is a necessary factor for hair growth. Its deficiency will lead to the decrease of blood supply to hair follicles, the disorder of local nerve function regulation, hair follicle malnutrition and hair loss. Iron-rich foods include red dates, black fungus, egg yolk, lean meat and soybeans.
3. protein and trace elements are insufficient.
Hair is mainly composed of keratin, copper, iron and other trace elements. Excessive dieting will lead to insufficient intake of protein and trace elements, leaving the body in a state of malnutrition for a long time. Gradually, the hair appears dim, dull, broken and bifurcated, which will lead to hair follicle atrophy and hair loss.