Whether or not seborrheic alopecia hair grows out depends on whether or not the function of the hair follicle is impaired. If the hair follicles are not damaged, mild seborrheic alopecia is able to grow out, and vice versa. 1. Mild seborrheic alopecia: you can take oral tanshinone capsules, cystine and other drugs under the guidance of a doctor, or use minoxidil tincture, minoxidil solution, etc. for scalp rubbing to improve the symptoms of hair loss. For mild seborrheic alopecia where the hair follicles are not damaged, hair can grow back. 2. Severe seborrheic alopecia: If seborrheic alopecia is not actively treated, the hair follicles will gradually shrink under constant stimulation, so that the hair follicles will be damaged, atrophied, or even necrotic, and the hair won’t grow back in this case. Seborrheic alopecia, it is recommended to go to a regular hospital to receive standardized diagnosis and treatment, the drug should be used in accordance with medical advice.