non-nic ejuice is just pg, right?

[nikomoul]

A lot of confusion here:
the non-pg liquid being sold on ecig sites is really vg, right?
What about reduced pg eliquid, what's that made of?
And non-nic "eliquid" is really pure pg, right?
I see some recipes that have eliquid, vg, pg and flavoring. Isn't this redundant?
Am I missing something here?

 

[Liscab]

As I know pg can be use pure, vg needs a 10 or 15 percent of water or alcohol to vapor.