How can I properly clean a guitar fretboard to maintain its condition and playability?

To properly clean a guitar fretboard, use a soft cloth to wipe away any dirt or grime. For stubborn build-up, use a small amount of guitar fretboard cleaner. Avoid using harsh chemicals or excessive moisture. It's also important to condition the fretboard with a small amount of guitar fretboard oil to keep it hydrated and prevent cracking. Regular cleaning and maintenance will help preserve the condition and playability of your guitar fretboard.