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Washing your face with water at a temperature similar to your body temperature
There are also people who wash their face with cold water because of their pores. However, Wash your face at a temperature similar to body temperature. It is recommended to wash your face with water. This is because it prevents irritation to the skin and pores. In particular, if you wash your face with water that is too hot to intentionally induce the removal of impurities, the facial capillaries may expand, causing redness, or the irritation may make the skin rough and enlarge the pores. Before applying facial cleanser, scoop up water with your hand. Instead of rubbing the skin, scoop up a little water with your hand and gently wet it so as not to startle the skin.
Source https://post.naver.com/viewer/postView.naver?volumeNo=31861687&memberNo=54067778