There are several steps:
1, thoroughly clean, choose facial cleanser with little foam, which has strong detergency. Elaine's is not bad
2, coated with shrinking water, it will have the effect of inhibiting oil. You can use salicylic acid, but the concentration should not be too high, or use essential oil to quickly and thoroughly close pores.
3. Finally, apply lotion to moisturize the skin, the pores will shrink and the skin will look much more detailed. Taking collagen at the same time will also shrink pores.