How are they going to administrate that? It is impossible as long as we don't sell it openly. And we know from the enormous market for drugs how well these kinds of laws generally work. There is no way they can ban the stuff E-juice is made from.
It is impossible. VG and PG have so many uses and restricting them would have big impacts. There is no way to restrict the e-juice ingredients that would not affect another industry in some way