I forget where I read it, but our body gets rid of toxinsand waste in the following ways:
The most toxins are released through respiration. Prior to doing liver flushes, my breath was pretty bad for years, but it is much better now.
The second most toxins are released in our sweat. The nasty sweat explains the brown stains in my t-shirts.
Lastly, we pass toxins in the Renal system, kidneys, bladder, etc.
I believe your new smell is because after the liver flush, your body is now back on track getting rid of toxins and waste as you are flushing your body of nasty fluids.