With the Cool Tools liver of sulfur gel you can pat your workpiece from gold color, purple, blue to black. If, after blacking, you immediately rinse your workpiece and polish it with a used polishing cloth, you immediately remove the black from the parts that you do not want to have blackened. That saves you a lot of work.
Cool Tools Patina Gel is liver of sulfur in a stabilized gel form, it is not degraded in light and air in the way the solid form does. Cool Tools Patina Gel is very economical in use. Only use what you need. It is always fresh and always ready for use, and only a 1/4 teaspoon of the gel is enough to make 175ml of strong patina solution, but can also be applied locally with a brush on the silver.