Hair is sparse:

May be a sign of excessive or insufficient thyroid secretion. The hormones secreted by the thyroid regulate metabolic activities in the body, including hair growth. If the condition of the thyroid causes a disorder in protein metabolism, it can lead to hair loss and thinning hair. Poor diet structure or malnutrition caused by overeating may also lead to thinning hair.

Hair loss:

May exist iron deficiency. Due to the natural cycle of the body, we will lose 40-100 strands of hair every day. However, if you find that the rate of hair loss is accelerating, you should check whether there is a slight iron deficiency in the body.

Hair is soft or dry:

Lack of moisture. Healthy hair is spread apart, but if the diet is not proper, each hair follicle cannot better retain moisture in the molecular structure. At this time, it is recommended to eat more healthy fats, such as sardines and trout, which contain fatty acids that help moisturize hair.

Hair lacks luster:

Lack of Vitamin B. Hair loses luster, usually due to a lack of the key substance Vitamin B that makes oils function effectively. Try to supplement some Vitamin B. Foods rich in Vitamin B include animal liver, beans, and brown rice, etc.

Hair is too greasy:

May be due to excessive milk consumption. Some researchers in hair research believe that overly greasy hair is caused by drinking too much milk, yogurt, and other dairy drinks. The solution is very simple, and the effect can be seen within a week after stopping the consumption of dairy drinks.

Hair does not grow:

May exist food allergy. This may be a symptom of food allergy, and food allergy may shorten the growth cycle of hair, causing the hair to stop growing prematurely. The most common allergy is to dairy products, and it is necessary to undergo an allergy test. If you do not wash your hair frequently, the accumulation of oils can also affect hair growth.

Split ends at the ends of the hair:

Lack of mineral elements or vitamins. This may be due to a lack of several essential mineral elements or vitamins in the body. Pay attention to the food you eat, and eat more protein-rich foods, which can help change the split-end phenomenon at the ends of the hair.

Excessive dandruff:

Fungal allergy. There are a small amount of fungi on the scalp and skin of humans, but for those with excessive dandruff, more than 25% of this type of fungi are distributed on the scalp, and excessive fungi stimulate the scalp to produce an excessive amount of dandruff. To reduce dandruff, it is recommended to use some medicated shampoos, such as strong shampoos containing salicylic acid, which have a certain effect.