1. Never use external products containing any irritating ingredients again. Pay attention to prevent skin from being stimulated by ultraviolet rays, fruit acids and other factors. Be sure to use familiar cosmetics. Every time you change unfamiliar cosmetics, it will bring new risks.

2, usually pay attention to the physical protection of the face, such as: go out with an umbrella in summer, wear a mask to keep warm in winter.

3, the skin should be kept clean, often wash your face with warm water to keep the skin absorbing enough water; Do not use skin care products containing sensitive ingredients and irritation;

4. Eat more fruits and vegetables and avoid spicy food, such as fish, shrimp, crab, seafood, beef and mutton.

5. Avoid wind and sun, and reduce the physical stimulation of harsh environment on the skin.