Cosmetic allergy skin redness and swelling, accompanied by itchy symptoms, can be used through the external glucocorticoid drugs, calcium-modulating phosphatase inhibitors, oral antihistamine treatment, strengthen the care and other aspects to relieve the symptoms. 1. Drug treatment: glucocorticoid drugs can be used to relieve symptoms as prescribed by the doctor, such as topical dieldrin cream, hydrocortisone butyrate ointment, etc., or calcium-modulated phosphatase inhibitors such as tacrolimus and pimecrolimus. When oozing is obvious, a wet compress of boric acid solution can be used first. When accompanied by significant itching, antihistamines such as dicloxacillin tablets and cetirizine tablets can be taken orally to improve the symptoms. 2. Enhance the care: keep the facial skin clean, avoid scratching, avoid re-exposure to any skin care products and cosmetics that may induce allergy. Due to the individual differences in drug treatment, in order to ensure the safety of drug treatment, must be under the guidance of the doctor for standardized treatment.