Carbona Color Run Remover removes unwanted dye stains from whites and colorfast fabrics. It contains no bleach, formaldehyde or phosphates but its special formula is even effective on previous colorrun accidents where the streaks or dyes were set in the dryer!Plus, Carbona Color Run Remover can be used to brighten whites and it may even restore the original color of some colorfast garments that have become dingy by dye from other items.