Don't sweat it, prohibition of anything flat out doesn't work period, never has, never will.
"Prohibition is good for business" - Every shady person in a prohibited, yet demanded, industry.
And to the OP, e-liquid has been banned in Canada since before e-liquid even existed. Nicotine is a schedule F controlled substance, has been for sometime, you can go get liquid nicotine prescribed from your doctor to rub on your wrists for transdermal absorption.
Technically, your doctor right now today could prescribe you nicotine for vaporizing with your e-cig, or at the very least, for "transdermal application" *wink wink*. He'd just need to be a damn cool and intelligent doctor (elusive indeed), he could call up a compounding pharmacy and request they compound liquid nicotine base with propylene glycol (which it may already be compounded in for the already available transdermal liquid nicotine). PG is a pretty good carrier for transdermal nic so I wouldn't be surprised if it were possible to even vape the currently available stuff (BUT dont do that... unless you research its ingredients damn good).