The basics A water-based liquid for producing water-resistant, rub-proof matt dirt effects on actors. The benefits Unlike the oiginal Dropper Dirt, this is not the concentrate version. Easily removed with soap and water. The uses Great if yu have a lot of extras or children to cover where traditional grease based products may be easily removed. The bottom line Will not transfer onto costumes once dry but not recommended for direct application to costumes unless a patch test is performed to check suitability.