Ez Test offers a range of quick & simple drug identification tests that react with several substances, each of which has a specific colour reaction and reaction time. Ez Test is an effective tool in identifying adulterants and other possibly dangerous substances often found in drugs. These are easy and simple tests to get straight answers - know what you're getting into, and know what is getting in to you. They are quick, reliable and accurate. Be safe! The below information is from the Eztest manufacturers: Cocaine Cuts Ez Test Cocaine Cuts will detect the presence of levamisole, phenacetine and/or ephedrine in cocaine. This is the only test on the market to confirm the presence oflevamisole / phenacetine. Uncut, pure cocaine does not react to this test. Any color means impurities! However; it does not indicate how pure your sample is, for this we recommend our Cocaine Purity Ez Test. Adulterants in drugs can have serious side-effects such as nausea, anxiety, insomnia and in the worst case death. Ez Test is quick and easy to use and can will detect contaminates such aslevamisole, ephedrine, phenacetineand other impurities. The reagent itself has a golden yellow color. Detailed instructions and a color chart to compare your results with are included in the box. Within seconds you will have a good indication of what you're dealing with!