Industry-standard Green Soap available in 1 pint (16oz) or 1 Gallon size. Multiple purpose cleaning agent, traditionally used in tattoo studios. Dilute this stuff so it is more easily rinsed off. Only use sterile distilled water to dilute green soap. Diluting does not affect its ability to clean unless it is diluted to an extreme level.  Typically a Green Soap solution is diluted 1 part Green Soap and 8 Parts Water.