Healthy hair is smooth, smooth, shiny and even in thickness. Not too much grease, no scalp. If your hair is in a sub-health state, then your hair is warning you that your body is in a sub-health state.

Sparse hair: it may be a manifestation of too much or too little thyroid secretion.

Hormones secreted by the thyroid gland regulate metabolic activities in the body, including hair growth. If the thyroid condition leads to metabolic disorder in protein, it will lead to hair loss and thinning. Malnutrition caused by poor diet or overeating may also lead to thinning hair.

Hair loss: it may be iron deficiency.

Due to the natural circulation of the body, we lose 40- 100 hairs every day. But if you find that the speed of hair loss is accelerating, you should check whether your body has a slight iron deficiency.

Soft or dry hair: lack of moisture

Healthy hair is pulled apart from each other, but if you don't eat properly, each hair follicle can't hold water better in molecular structure. At this time, you can eat more healthy lipids, such as mackerel and trout, which contain fatty acids that help to moisturize your hair.

Lack of luster in hair: lack of vitamin B.

Hair loses its luster, usually due to the lack of vitamin B, which is the key substance to make oil work effectively. Try taking some vitamin B supplements. Foods containing more vitamin B include animal liver, beans and brown rice.

Too oily hair: maybe there is too much milk.

Some hair researchers believe that oily hair is caused by drinking too many milk drinks such as milk and yogurt. The solution is simple, and it will take effect within 1 week after stopping drinking milk drinks.

Short hair: There may be food allergies.

This situation may be a symptom of food allergy, which may shorten the growth cycle of hair and make it stop growing ahead of schedule. The most common allergy is to dairy products, so it is necessary to carry out allergy test. If you don't comb your hair often, the scaling caused by oil will also affect the growth of your hair.

Bifurcation: lack of mineral elements or vitamins.

This may be due to the lack of several mineral elements or vitamins necessary for human body. Pay attention to the food you eat, and eat more foods rich in protein, which will help to change the phenomenon of split hair.

Excessive dandruff: fungal allergy

There are a few fungi on people's scalp and skin, but more than 25% of people with dandruff are distributed on the scalp. Too many fungi stimulate the scalp to produce too much dandruff. To reduce dandruff, you can use some shampoo containing drugs, such as strong shampoo containing salicylic acid, which has certain effect.