blade edges and near the center hub, I use an old toothbrush with very light pressure. This is maybe 2 or 3 minutes of actual hands-on work for the whole blade set.
If there is still a stubborn yellow patch, I make a quick paste with 1 tablespoon baking soda and a few drops of water, then rub only that area gently for 15 to 20 seconds. I do not use rough scrub pads, steel wool, or magic-eraser-style abrasives on glossy plastic because they can leave the blades hazy.
9.
