How can you make your pores small,enlarge,and keep your pores small?

How can you make your pores small,enlarge,and keep your pores small?|||heat opens pores and cold closes them. the face wash that gets cold while its on your face is really great it cleans out your pores and makes them tiny. I think its always good to use hot steam before you was your face to open all the pores to clean them and then wash your face with cold water to close them. that way all the dirt is removed and they are still tiny! by the way the smaller your pores are the smother your face looks.|||to open your pores use hot water or steam and to close them use cold water or run an ice cube over your face.|||use hot water