What is the difference between PG and VG?

PG or propylene glycol is an organic compound (a diol alcohol), usually a faintly sweet, odorless, and colorless clear viscous liquid that is hygroscopic and miscible with water and acetone. Propylene Glycol is recognized as generally safe for human consumption by the Food and Drug Administration. It is used in food coloring and flavorings. It's also used as an additive to keep food, medicines, and cosmetics moist, and in machines that simulate smoke (theatrical fog machines). Propylene glycol functions to provide the vapor mist that looks like smoke and to suspend flavor. 

VG or vegetable glycerin is very similar to PG in that it has some of the same uses as PG. What's written above can be applied to VG. Although the vast majority of our customers notice little to no difference between the two, a small number of people find propylene glycol to be an irritant (sore throat, etc.) We launched our Red Oak of PG-free e-liquids so everyone is able to enjoy juices made by Johnson Creek. We pioneered PG-free e-liquids.

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WARNING: Johnson Creek™ e-Liquid products may contain nicotine, a poisonous and addictive substance. Johnson Creek™ products are intended for use by persons of legal age or older; and not, by children, women who are pregnant, or may become pregnant, or any person with an elevated risk of, or preexisting condition of, any medical condition, which includes, but is not limited to, heart disease, diabetes, high blood pressure or asthma. If you experience any side effects or possible side effects, stop using the product immediately and consult a physician. Product may be poisonous if orally ingested and is not intended to treat, prevent or cure any disease or condition. For their protection, please keep out of reach of children and pets. Johnson Creek™ products are not a smoking cessation product and have not been tested or guaranteed as such. The FDA, or any other health or regulatory authority, has not evaluated the safety of these products or any of the statements made by the manufacturer.

CALIFORNIA PROPOSITION 65 - WARNING: This product contains nicotine, a chemical known to the state of California to cause birth defects or other reproductive harm.

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