Low hair at the top of the head at the swirls may also return, but it needs to be determined based on the specific cause. Less hair at the swirls is considered to be caused by seborrheic alopecia or heredity. 1. Seborrheic alopecia: it mainly shows that the hair is oily, and the hair gradually turns from thick to soft. It is recommended to go to the hospital in time, you can take compound glycyrrhizin tablets, topical ketoconazole lotion and other drugs under the guidance of the doctor. After a period of conditioning, it may be restored. 2. Heredity: due to the existence of family genetic history, it is recommended to pay attention to hair care and maintenance in daily life, do not use irritating shampoo cream. You can also massage your scalp every day and eat more nutritious food. Pay attention not to stay up all night, avoid labor. It is recommended to consult the hospital, by the doctor to guide the use of medication.