Removes all grease, sweat, dirt, dust and mold from leather. Does not rot seams. Instructions for use: Rub directly onto leather straps and harnesses and clean, then apply Belvoir Tack Conditioner. For very dirty areas, let it act for a few minutes. Warning: Not suitable for use on aniline or untreated leather, suede or nubuck. If using for the first time, perform a test on a non-visible part.