If true . That would be very revealing. I'd say that would constitute false advertising. So what, which , if either are you using? If I could have anticipated this, I would have stocked up on the PIS 15%. I saw that a bottle of that stuff on Amazon is now running close to $300! I would not have sold it for that. I would have kept it to use it to get me through the next few months to see if it was of any value. I am a better person that that.