Myth: You Can Minimize Pores. Fact: False: Pore size is largely determined by genes and, aside from very invasive treatments that do not always work, the actual size of a person's pores cannot be changed. However, you can remove some of the debris that stretches the pores and make them appear larger. Furthermore, the appearence of pores clean and healthy but also prevent sebum oxidation, which is the cause of visable dark spots associated with blackheads. Want to read more? Subscribe to one of our monthly plans to continue reading this article.