Chipped lacquer Maple neck - how to clean

Nothing you can wipe on and wipe off will work.

That sort of staining is in the wood--not on it. If you try bleaching it, matching the color will be a huge roll of the dice, and the results will probably end up looking worse than it does now. At least now, it looks like normal wear and staining.

 

Plus 1 for what @Peegoo said

just use a damp almost dry cloth to wipe it down, it won’t look clean but will at least take the real dirt off

I just use a dry paper towel on my maple neck guitars probably once a year

It will always look like that unless you refinish, at least it looks naturally done.

Other than those wear marks the neck looks pretty clean so I’d just leave it alone, as peegoo mentioned if you try to do anything to minimize it it may possibly look worse than doing nothing

 

What Brand/model is it? That’s A LOT of wear if it’s a poly finished neck

 

Maybe it's just the photo, but it looks like you've got quite some fret wear too.

 

Naphtha and a Q-tip would be my choice.

 

I would avoid water and do not see really the point to use any product: a soft cloth should be plenty enough for regular cleaning, and as stated above, you can use naphta once in awhile if the board gets really dirty.