With cosmetics allergy face itching redness first need to stop using such cosmetics, and use water to wash the face, if necessary, can take medication. If the patient uses cosmetics, the face appears abnormal discomfort, accompanied by itching, redness, should immediately stop using cosmetics. At the same time, use flowing water to clean the face of residual cosmetic ingredients. Generally, after a period of time, its symptoms can be relieved by itself. However, if the patient’s symptoms are not relieved, and the symptoms worsen, it is necessary to take oral antihistamine drugs, such as loratadine, cetirizine, etc., under the guidance of the doctor, or follow the doctor’s instructions to use topical calcium-modulated phosphatase inhibitors such as pimecrolimus, tacrolimus ointment and other drugs, so as to play a role in anti-allergy, anti-inflammatory, and improve the symptoms of the disease. If you are allergic to cosmetics and have an itchy red face, you can go to a regular hospital and take relevant treatment measures under the guidance of a doctor. Drugs need to be used in accordance with medical advice.