The phrase "most cleansing" can be replaced with a variety of synonyms to convey the same meaning. For instance, the word "purifying" refers to the removal of impurities or toxins, making it a great substitute for "most cleansing." Other options include "detoxifying," "sanitizing," "refreshing," and "rejuvenating." Each of these words implies the process of eliminating unwanted substances or elements from a surface or area. Whether it's a skincare routine, a cleaning regimen or a spiritual practice, there are plenty of words that can be used instead of "most cleansing" to describe the act of purifying.