You will need to mix one part vinegar, one part apple cider or any other natural vinegar, and around 8 to 10 parts water to get the kind of safe mixture you will need to cleanse your face with. You can use a piece of cotton or a cotton ball dipped in this solution to wipe off excess oils on your skin as well as remove deep seated dirt from your skin.
For the rest of your body, add those mixture in your bath water ...HTH