As an alternative, some suppliers will put vegetable glycerin in the e-liquid for those who are allergic (or have bad reactions) to propylene glycol.
Cartomizers can be used on their own or in conjunction with a tank that allows more e-liquid capacity.
It generally uses a heating element known as an atomizer, that vaporizes a liquid solution known as e-liquid.
Because of this, the sale of vaporizers is legal, but the sale of e-liquid is not.
