Homebrew PCBs

I used some glossy HP paper .. 
Mad copies at the post office
and did the iron on thing .. 

Traces look ok .. 
But that last layer where the gloss is..
Cant get it to come off ..

Just using water .. and trying to scrub / peel it..

can I use like acetone, or alcohol ?? 

Randy - N2CUA

PS I do have other paper coming .. 
the press n peel and going to try that dissolving paper..