Toothpaste Rubber Bands 1. Remove crayon marks Squirt a small dab of non-gel toothpaste on the wall where the mark is. Rub gently with a soft cloth, then rmse with warm water. Vo»l£! 2. Deodorize hands Can't get garlic or onion odor off your hands? Wash them with a blob of toothpaste. 3.