Power flush gives you the freedom to have your joint after work and not be persecuted.Power Flush does not flush your system. It masks the chemicals in your body (like THC ) It is the best on the market. We have sold thousands of these and the success rate is 95 % . Most of the people who did not pass there drug tests failed to follow the instructions. We have sold numerous other masking and flushing products none stand up to this one.