A scientific research shows that the skin to normal growth cycle is about 28 days, fall off corneous cell sporadic and transparent, naked eye could not see. But if scalp metabolism abnormal acceleration, can lead to not fully keratinization corneous cell falls off, and that is the dandruff. Frequent hair will damage the hair of the inherent structure, make originally healthy hair withered and yellow, fall off. Stress will affect the circulation of the tiny blood, hair growth is restrained function. Excessive dieting, especially completely refused to fat, make the hair lack of protein enough nutrition supply. Because the hair is one of the fastest growing body organization, once the nutritional deficiencies, will soon show it.
Salt and sugar sex hair loss of the cause of the hair loss for salt and sugar excessive respectively. Because salt can make the hair organization stranded excessive moisture, affect a hair to normal growth and development; Sugar will destroy vitamin B group, and disturbing the pigment of hair, make a hair metabolism and, at the same time, it withered too much sugar in vivo into fat cause seborrheic dermatitis, then cause great hair loss. Therefore, the best prevention and control method is to control the sugar and salt intake.