When considering ecigarettes the new user is confronted with the choice of whether to get e-liquid, whose prime additive is either Propylene Glycol or Vegetable Glycerin. What's the difference? And what are the reasons you care? Well as usual, it comes down to personal choice and it's effortless to make a more sensible choice if you are up to date, and the most suitable way to become up to date, in this case, would be to try both of them, but it's not the only criteria.
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