Washing-up liquid plus sugar. The sugar is abrasive enough to lift the dirt...
one of the cheapest and very efficient.
being a printer i get covered in ink at work, only this stuff shifts it
Really Works Hand Cleaner (Pumice and non-Pumice) - This non-toxic, petroleum solvent free hand cleaner is made from real citrus oils and is 100% biodegradable. Its unbeatable cleaning power has made it a favourite of printers worldwide. It’s tough on dirt, yet kind to hands and contains no artificial fragrances. Pumice available in 2kg tubs, and non-pumice available in 450g tubs.
one of the cheapest and very efficient.
being a printer i get covered in ink at work, only this stuff shifts it