Smear cosmetics red face allergy need to avoid re-exposure to such cosmetics, if necessary, under the guidance of the doctor oral anti-allergy drugs such as cetirizine. In this case, first of all, do not use the same kind of cosmetics, it is recommended to wash your face with water every day to keep the skin dry and clean. You can also strengthen the facial moisturizing, such as the use of medical moisturizing cream. At this time, you can observe a few days later, if there is still no obvious improvement, you can take anti-allergy drugs under the guidance of the doctor, such as cetirizine, loratadine, etc., which can effectively alleviate facial allergies and so on. At the same time, it can be combined with the topical use of calcium-modulated phosphatase inhibitors such as pimecrolimus ointment, tacrolimus ointment, and so on. In addition, the diet needs to be based on light food, avoid spicy and stimulating food, and drink plenty of water. If you do not apply any skin care products, wear a mask when you go out to avoid cold wind from irritating your face. If the above symptoms are more serious, it is recommended to go to the hospital in time to receive standardized diagnosis and treatment, and medication should be used according to medical advice.