The causes of hair loss are complex, mainly including genetics, nutritional imbalance and endocrine disorders, etc. Usually patients with seborrheic alopecia can take vitamin B2 and vitamin B6, while patients with dry alopecia generally do not use vitamin B2 and vitamin B6, but mostly supplement some vitamin B, vitamin C, or adjust their habits, etc. 1, seborrheic alopecia: seborrheic alopecia patients can take some vitamin B2 and vitamin B6 as prescribed by the doctor, because these two vitamins have the effect of removing scalp oil, after taking a period of time, can effectively achieve the effect of oil control, reduce the problem of hair loss caused by oil blocking pores. At the same time, you can also follow medical advice to eat some walnuts, black sesame, black beans and other foods, for seborrheic alopecia also has a certain alleviating effect; 2, dry hair loss: dry hair loss is generally seen in the body vitamin deficiency and caused, then you can follow medical advice to take some vitamin complex or vitamin C, etc., to supplement the body’s vitamin deficiency and other conditions, in life should also avoid eating spicy, greasy food. You should also ensure that you get enough sleep to relieve hair loss. Vitamins only have a certain effect on the relief of hair loss, but patients need to identify the cause of hair loss, according to the cause of hair loss for symptomatic treatment, in order to effectively relieve the occurrence of hair loss phenomenon.