Is it possible to reduce pore size?

Hello!!! I've been really interested in reducing pores lately, so I'm leaving a comment..ㅠㅠㅠ My pores are so visible these days, and I get really nervous every time I look in the mirror. Oh my, I'm so upset and really nervous. Is it possible to reduce pores? Of course, it won't work with just one treatment, right?ㅠㅠsob sob Please give me a detailed answerㅠㅠㅠ I really, really want to reduce my pores!!!! Thank you!!