Cero PEN INK Marks Remover Spray is a Solvent based spray that dissolves most inks. Easy and convenient to use. DIRECTIONS: 1) Spritz 10-20 sprays to soak the stain on fabric. 2) Scrub Surface. 3) Wash Stain with Soap. 4) Repeat for Desired Results. Please consult with the manufacturer of fabric before using the spray as it may damage certain fabrics.