Whenever the seasons change or the weather is dry, many patients with facial skin allergies come to the clinic. Seasonal facial allergy, also known as facial sensitive skin, is characterized by dryness, flaking, dryness, itching, tingling, redness when blowing cold or hot air, and aggravated by the application of cosmetics. In severe cases, facial redness and edema of the eyelids may also occur. So, how does sensitive skin on the face form? The skin has a natural barrier function. If you often over-clean your face or use topical exfoliating cosmetics, this barrier is easily destroyed, leading to skin allergies. This is often seen in young women with dry skin. So, what to do once facial skin allergy occurs? 1. Don’t over-toss your face. Excessive facial cleansing and frequent changes of skin care products can damage your “face”. 2. Don’t expose yourself to the sun again. Ultraviolet radiation will destroy the horny layer of facial skin. 3, do not drink too much alcohol, eat spicy stimulating food. 4, sleep well. The skin needs moisture to nourish, sleep is not sufficient, the skin is easy to dry. 5, the appearance of facial sensitivity, you can take oral cetirizine, loratadine tablets, etc., external application of silicone cream and other emollient products. 6.If the above is done, and there is no significant improvement in 1-2 weeks, go to a skin specialist as soon as possible to find the cause of allergy and use personalized treatment for the symptoms. Finally, may all friends have a good “face”.