Washing your face with skin temperature~

There are also people who wash their face with cold water because of their pores.

but  Wash your face at a temperature similar to body temperature. It is recommended that you wash your face with this.

This is because doing so prevents irritation to the skin and pores.

Especially when washing your face with water that is too hot to intentionally induce the removal of impurities

As facial capillaries expand, flushing occurs or the skin becomes rough due to irritation, and

The size of the pores may increase. 

Before applying facial cleanser, scoop up water with your hand. It is not rubbing the skin

To avoid startling the skin, scoop up a little water with your hand, lift it up, and gently wet it.

Source https://post.naver.com/viewer/postView.naver?volumeNo=31861687&memberNo=54067778