Wolfgang Concours Series WG-1200 Micro Rejuvenator Microfiber Detergent Concentrate, 16 fl. oz. Wolfgang microfiber cleaner and rejuvenator breaks up and releases compound, polish, and wax residue, leaving your microfiber towels looking and feeling new after every wash. Your microfiber towels will be left in the purest form after every wash, exactly how they should be The clean-rinsing formula was formulated to be safe for use in all washing machines, including high efficiency (the) washing machine models.