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Then you wrap the whole thing in an Ace bandage, so that the charcoal stays wet and stays pressed against your weeping skin. Leave it on for about 6 hours. When you take it off, the redness and swelling will have visibly reduced, and the pain will be significantly better. Let it breathe for 10-15 minutes, and then reapply, just as before. It can be left overnight with no problems: you just have to make sure the charcoal stays damp. As your skin heals, you can leave out the towel/filter on your skin and spread the wet charcoal directly on the surface, doing everything else the same.
