I ordered in November 2014 and early super fungus was virtually gone in 3 months, I continued to today and here is the back even with treatment and it develops even faster, I have impression that my other orders were not quite the same concentrations. suddenly I'm going to the podiatrist .a follow next week June 15, 2015 after visit to the podiatrist here is the ugly back even stronger and I continue anyway .after the holidays I would do a sample to the lab to see what I mycoses reached. to be continued