How do I use the Cleaner? Josh K. Updated November 23, 2016 07:25 1. Spray on any guitar surface, including body, neck, fretboard or hardware. 2. Wipe off in a circular motion with a microfiber cloth. 3. Enjoy a super clean, anti-dust, smudge resistant clean, that is so grease free, you forget it was ever there. Related articles Is your Cleaner safe for my guitar? What are your Straps made from? Are you hiring?