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 How often should I use the Cleaner? What are your Picks made of?