There are many factors that cause facial allergies, including food (such as mutton, seafood, chili peppers, mangoes, hairy peaches, etc.), dust mites, pollen (rosebuds, willow wadding, poplar wadding, etc.), physical factors (sun exposure – mainly UV rays, dry heat, high temperature, cold, etc.), and chemical substances (cosmetics, medications, etc.). Allergens are checked to determine allergic substances if necessary.