Hair dye cream touches the scalp allergy, can be relieved by local cleaning, topical drugs, oral medication and other ways. 1. Local cleaning: some patients may belong to the allergic body, in the skin or mucous membrane contact allergens, may induce allergic reactions, then should be scalp area cleaning, mainly to clean the hair coloring cream material, to prevent persistent stimulation. 2. Topical medication: If the symptoms of scalp allergy are more serious, you can cooperate with the doctor to apply glycerine lotion or hydrocortisone and other glucocorticosteroid drugs, so as to improve the itchy symptoms brought about by scalp allergy. 3. Oral medication: After the hair coloring cream touches the scalp allergy, patients can also take antihistamines such as loratadine and cetirizine to improve the local skin allergy symptoms. It is recommended that patients should combine their own situation, with the doctor to give the corresponding treatment, the above drugs need to be used in accordance with the doctor’s instructions, not blindly use the drug, so as not to produce adverse effects.