Can hot water and cold water help with pores?

Cold water can temporarily make the skin pores appear smaller. However, the temperature of the water you use to wash your face does not influence the size of pores for long-term. Having said that, hot water is not desirable as it can irritate the skin and make it appear redder. Thus the best would be to wash your face with lukewarm water that's gentle on the skin (not to mention, more comfortable!)

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