When choosing shampoo for seborrheic alopecia, we should consider the severity of seborrheic alopecia, whether the shampoo has oil control and anti-dandruff effect, etc. We can use medicinal shampoo for a period of time to relieve hair loss, and then use ordinary shampoo for daily cleaning, the details are as follows: 1. Medicinal shampoo 1. Ketoconazole preparation: it has a better inhibitory effect on Malassezia and dihydrotestosterone, which can help to remove dandruff and But ketoconazole lotion can not be used for a long time, long-term use may lead to abnormal hair texture, dryness and other adverse consequences, may also appear hair fading phenomenon; 2, compound ketoconazole lotion: the role and ketoconazole preparations similar, but it contains hormonal ingredients, it is recommended that itching, dandruff and other symptoms improve timely discontinued. Children’s use cycle is not recommended more than 4 weeks, adults do not use more than 8 weeks; 3, selenium disulfide lotion: can better kill the scalp of Malassezia and reduce the symptoms of hair loss, but because it does not contain surfactants, the use of comfort will be reduced, may appear dry scalp, dry hair and other phenomena, it is recommended to be used in combination with ordinary shampoo, both to sterilize and protect the hair. Second, ordinary oil control anti-dandruff shampoo this type of shampoo should contain ingredients such as zinc pyrithione, the main role is to inhibit or kill bacteria, but also anti-seborrhea, seborrheic alopecia to a lesser extent patients can use this type of shampoo to relieve symptoms.