1, often staying up late. If you often stay up late, it will lead to endocrine disorders, which can be said to be the main cause of hair loss. Normally, our hair will have a growth cycle. Natural hair loss every day belongs to normal physiological metabolism, and metabolism needs enough sleep to maintain. If you stay up late for a long time or don't get enough sleep, your metabolism will be disrupted, which will cause endocrine disorders and hair loss.

2, mental stress. If we are under mental stress and work pressure for a long time, it is also easy to cause hair loss. Because the mental stress brought to us by various aspects will make the scalp blood run poorly, lead to the contraction of capillaries conveying nutrients in hair follicles, cause blood circulation disorders in the head, change the original scalp ecological environment, and lead to hair loss.