Seasonal skin allergies, these three most common causes

Skin allergies most often occur during seasonal changes, and many people's skin will become red and itchy after allergies. So, how do seasonal skin allergies occur?

1. Inhaled allergens:

Pollen, catkins, dust, mites, animal dander, oil smoke, paint, car exhaust, gas, cigarettes, etc.

2. Ingestion allergens:

Milk, eggs, fish and shrimp, beef and mutton, seafood, animal fat, foreign protein, alcohol, drugs, antibiotics, anti-inflammatory drugs, sesame oil, flavors, onions, ginger, garlic and some vegetables and fruits, etc.

3. Contact allergens:

Cold air, hot air, ultraviolet rays, radiation, cosmetics, shampoo, detergent, hair dye, soap, chemical fiber products, plastics, metal jewelry (watches, necklaces, rings, earrings), bacteria, mold, viruses, parasites, etc.