What skin care products should southerners use when they go to the Northeast?

You should use some moisturizing and sunscreen. The effect will be better. Winfrey, a northerner with a moist face, had better not use skin care products with special effects. As the saying goes, "a year's plan lies in spring", and spring is also the first season to rebuild a healthy body. You know, spring begins in beginning of spring, passes through rain, fright, vernal equinox, Tomb-Sweeping Day and Grain Rain, and ends in the long summer. It is the best season to return to the earth in spring in a year, and it is also the season when many physical diseases are raging or recurring. The problem of face is also the favorite attack at this time. Even if it is not serious, it may lead to endless future troubles, so we should deal with it well.