... tough stainson cotton, linen, chemical fiber andblending fabric (such as collar and cuff ) , especiallygreat for lipstick, sweat, oil stains etc.[ ... Suitablefor clean stains on cotton, linen, chemical fiber and blending fabric, avoidusing for delicate fabric like silk, ... efficient decontamination factor, cut down the surface tension and bondingforce, thus collapse stains, especially for tough stains ...