Jul 18, 2013 Hot or Cold Water for Face Washing? There are many misconceptions surrounding the optimal water temperature for face washing. Should it be hot, cold, or somewhere in between? Hollywood dermatologist, Dr. Jessica Wu, says "use lukewarm water". If the water is too cold, pores on the face will not open. This will prevent effective cleaning from taking place and will make it more difficult to cleanse properly. Dr. Wu also says to "avoid hot water, which can dry your skin and cause redness". To finish off a cleansing routine, dermatologists recommend rinsing the face with cold water to close facial pores. http://www.drjessicawu.com/newsletters/how-to-wash-your-fa Thanks to our friends at Logona for this great blog post! http://myvitaminmart.com/products/logona-naturkosmetik-cleansing-foam-organic-mint-and-witch-hazel-3-4-fl-oz