The basics Dirtworks Powders are a coordinated system of colored dirts that are matched to the Skin Illustrator Grunge Palette.  The benefits Dirtworks Powders are the safest dirt on the market, as they do not contain any hazardous ingredients such as talc, silica or walnut shells. Removes very easily with soap & water The uses Use alone or with the Dirtworks Grime Sprays to create a variety of "dirty" makeups. Use Dirtworks Dirt-Tac when only a powdered look is required. Dirt-Tac also helps hold the powders in place. The bottom line Safe to use on skin as a makeup or on costumes, fabrics and scenery.