Treatment of dandruff can generally use selenium disulfide lotion, ketoconazole lotion and other lotions for treatment, dandruff may be due to fungal infections or oil secretion caused, patients should be reasonable use under the guidance of the doctor. 1. Tinea pedis: Tinea pedis patients can use selenium disulfide lotion under the guidance of a doctor, selenium disulfide lotion has an antibacterial effect and can be used for the treatment of dandruff, seborrheic dermatitis of the scalp, tinea pedis and so on. Prohibit the use of this product within 48h of hair dyeing and perming, when the skin has inflammation, erosion and other skin problems prohibit the use of this product. 2. Fungal infections: patients with scalp fungal infections can use ketoconazole lotion under the guidance of a doctor, ketoconazole lotion has an antifungal effect, can be used to control dandruff, scaling and other symptoms. Avoid making this product contact with eyes, nose and mouth, and it is prohibited for those who are allergic to ketoconazole ingredients. Patients are advised to use it under the guidance of a doctor’s advice to avoid aggravation of dandruff.