The redness of the face from welding is mainly due to the high temperature of the welding torch stimulating the skin of the face, causing a large increase in blood flow in the capillaries of the face within a short period of time, resulting in a flushed state. If it just appears, you only need to stop contacting the welding, and the color of your face will gradually return to normal after a period of time. If long-term exposure to welding forms a persistent flush, it is recommended to use chilled mineral water as a wet compress. Then apply hyaluronic acid-based moisturizer on the local skin surface, which can increase the thickness of the skin, reduce the skin temperature, and change the state of the flushed face to some extent. You can also choose to use the Q532 laser for irradiation, which can make the red changes deposited on the face fade quickly. However, it should be noted that further exposure to electric welding may lead to the reappearance of facial flushing and it is recommended to avoid further exposure to electric welding.