1. But taking such drugs is limited to the existence of subcutaneous hair follicles, which are the roots of hair. If the root system exists, it can be watered and fertilized. If the root doesn't exist, you know it is useless.

2. The symptom of seborrheic alopecia is that the scalp is oily, and you can wash your hair with sulfur soap or borax soda. Or add some tea leaves to the water to control oil;

3, pay attention to eat less spicy food in the diet, you can eat some fruits and vegetables rich in vitamin B6/2.