Hair loss after shampooing is normal if it is caused by physiological factors within 100, if the number of hair loss is too much more than 100, it may be due to pathological factors such as neurogenic alopecia, chemical alopecia, and this situation is not normal.
1. Physiological factors: shampooing will lead to hair on the protective oil is washed off, thus causing the symptoms of hair loss, belongs to the metabolism of the normal physiological hair loss, the number of 100 roots or less is normal.
2. Pathological factors:
(1) Neurogenic alopecia: patients with excessive mental stress or long-term late night, there will be an increase in hair loss. Mainly due to the role of mental stress, the human body contraction of the erector spinae muscle, autonomic or central nervous system dysfunction, hair follicle papillae change and malnutrition, which leads to inhibition of hair growth, hair loss, the number of hair loss is far more than 100, this situation is not normal.
(2) Chemical alopecia: due to the use of poor-quality shampoo products, patients wash their hair after the head follicles are stimulated by chemical ingredients in the shampoo, which leads to an increase in the number of hair loss, far more than 100, this situation is also not normal.
If a patient loses hair after shampooing and the number exceeds 100, it is recommended to go to a professional hospital in time and actively cooperate with the doctor for treatment.