I notice when I use Bar Keepers Friend Cleanser on raw wood… it actually lightens it up! After some looking into it, the main ingredient in BKF is Oxalic acid (which is a bleaching agent). In the past, I’ve used diluted clothing bleach to lighten wood but there’s a few factors in that technique I didn’t like. First, if it’s not a warm day to let clothing bleach on wood bask in the sun or a hair drier to use, it takes forever. Second, I’ve noticed that it makes the wood very dry aft…