After slicing lemon peel or cucumber, put it in the refrigerator for a period of time and then take it out, cold compress it on the location where you need to shrink pores, and after a period of time, it can play a role in converging pores, inhibiting oil secretion and whitening skin; 3. If your face has large pores, you can wash your face with a few drops of lemon juice in the water, which can also play a role in shrinking pores. But be careful, after dropping lemon juice, the concentration of water should not be too high, lemon juice can not be applied directly on the face. In addition, the diet should be light and avoid spicy and stimulating foods.