Hair can fall out for a number of reasons, including nutrition, lack of minerals, taking drugs, severe stress or illness, environmental pollution and genetics. But you can do everything possible to keep your hair in good condition. Hair loss depends on: frequent use of hair dryer, iron wave, hair curler. Hair color, chem. Choice of shampoo. Water quality. Proper nutrition. Eat more fruits and vegetables. Use more iron. Eat enough protein. Perhaps you are taking a medicine that can also affect hair loss. To reduce the risk of hair loss, take vitamins. First it needs to be discussed with the doctor, but, as a rule, supplements and vitamins are biotin, inositol, iron, vitamin C and serene. Do not forget about hair masks. Do a head massage. If you make a massage with egg fat, it will increase the flow of blood to the surface of the scalp and to the hair follicles. The movements of friction and massage heat the skin and improve blood circulation, so that the cells of the follicles will get the substances they need, and this will have a beneficial effect on hair growth. Just hair growth and hair loss directly depends on the desired hormone in the body. If you maintain the desired level, you can forget about the loss. Hair will be more dense and healthy. By the way, if we talk about hormones, they so elyat on other properties of the body. in fact, there are a lot of them. But I'm familiar with testosterone. This would not have made my post yet). I will show an article in which you can learn more about the effect of the hormone on the body. https://hghinjections.us/testosterone/testosterone-therapy.html Actually a very interesting topic.