You know,those white stuff that creep in between the wood grains on the fretboard after prolonged use without cleaning. well,prevention is the best cure.but what if the damage has already been done? The Dunlop fretboard alcoholic cleaner recommended on musiciansfriend.com only removes dirt,the difference after one clean isn't obvious and I can go as far to say that if you can spot any difference,its probably a perceived one. The brown color of my rosewood fretboard is slowly wearing off.that's what I want to bring back,plus hopefully those white stuff. so is there any sort of wood stain or miracle cleaner to restore the rosewood fretboard to its former glory?