Inversion can prevent hair loss. The main mechanism is that by standing upside down, the blood circulation of the head is accelerated, the metabolism of the head is promoted, and harmful substances are filtered out, while the absorption of nutrients is promoted. In addition, you can also promote blood circulation in your head by combing your hair frequently or scratching your head with your fingers, the reason is the same as inversion. In addition, it is necessary to avoid tension and anxiety, as well as fear, and to maintain good rest and sleep. In addition, you need to consume more foods like eggs, milk, lean meat and seafood in your diet to facilitate the growth of hair loss. In addition, if you have seborrheic alopecia and your head is greasy, you can also use selenium disulfide lotion, which can achieve hair loss regeneration and remove grease.