CarPlan Engine Cleaner & Degreaser has been specially formulated to remove ingrained grease, oil, dirt and grime from all vehicle engines (automotive, commercial and marine) including aluminium surfaces. The unique 'water-washable' formula is also suitable for general household and industrial applications, such as removing tar spots and cleaning paint brushes. Application Apply Engine Cleaner & Degreaser liberally over the area to be treated and leave to penetrate for two minutes. - Work the area with a stiff brush when using to clean oil - Rub tar spots with a soft cloth soaked in the degreasing cleaner - Work solution well into bristles when cleaning paint brushes After two minutes, oil, dirt and grease deposits will break down and dissolve. Then, rinse with plenty of clean water. For particularly difficult areas, repeat the process again if necessary.