Discussion in 'Ask The Veterans' started by Adrian, Feb 15, 2010.
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honestly i dont know if my research skills are horrible, but i cant figure it out.
Either or both are the base liquids that are vaporized (and into which the nicotine and flavoring are mixed):
PG is Propylene Glycol (USP-grade) is used in food flavorings, cosmetics, asthma inhalers, and artificial smoke at rock concerts. NOTE: Some people are allergic to PG (e.g., a rash or sore throat, but nothing serious). They should use
VG is Vegetable Glycerin (USP-grade) more syrupy, and derived from veggies. PG generates somewhat more flavor and throat hit; VG produces a bit more vapor.
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