Finish Line Citrus Degreaser. Super strong and fast. The industry’s original orange peel based cleaner that has set the standard since 1988. Cuts through the toughest of carbonized grit, grease, and grime. Low surface tension for thorough penetration into all areas. Parts clean up fast and then rinse residue-free with water. 100% active, contains no water. Biodegradable and nontoxic.