If you have a lot of dandruff after ironing your head, it is recommended that you consult a doctor to find out the cause of the treatment. If seborrheic dermatitis is caused, available ketoconazole shampoo cleaning; if the fungal infection is caused, can use clotrimazole cream and other drugs; if it is caused by chemical agent allergy, can use cetirizine hydrochloride and other drugs. 1. Seborrheic dermatitis: Seborrheic dermatitis is a common chronic superficial, inflammatory skin disease, can appear itching, erythema, flaking dandruff and other symptoms. If you are suffering from seborrheic dermatitis yourself, it can lead to dandruff. You can wash your hair with shampoos containing tar, zinc pyrithione, selenium or ketoconazole, or you can stop the itching and sedation by antihistamines. 2. Fungal infections: When ironing the hair, if you do not pay attention to the hygiene of the ironing process, it is easy to fungal infections, which can lead to more dandruff. In general, the principle of treatment is antifungal, you can use ketoconazole cream, clotrimazole cream and other drugs, combined with oral itraconazole or terbinafine and other drugs. 3. Chemical preparation allergy: If the permed hair person is allergic to the chemical ingredients in the permed hair preparation, it can also lead to dandruff. In this case, you can use anti-allergy drugs, such as cetirizine hydrochloride, loratadine, etc., combined with topical glucocorticoid creams such as mometasone furoate ointment and other drugs. At the same time, avoid re-exposure to such agents. If there is a problem of dandruff after perm, it is recommended to consult a doctor to determine the cause of the disease and standardize the treatment. Drugs should be used as prescribed by the doctor.