Can anything be done to reduce pore size?

Or is that just a myth lol|||cold|||yeah cleanse tone moisturise or you can wash your face with hot water then cold to open up pores and then u can use a witch hazel stick to tighten pores n hide blemishes and use oil balancin creams and exfoliators|||egg white mask, astringents, any type of facial mask; i have found these to work, but temporarily|||cold water|||After rinsing with warm water your pores open up so splash cold water on your face to close up your pores and reduce the size