Vape juice also referred to as e-juice or e-liquid has four main ingredients:
Vegetable Glycerin
Propylene Glycol
Flavoring
Nicotine
Before we dive into each of these vape juice ingredients, it’s important to know that all of these chemicals are considered Generally Recognized As Safe (GRAS) by the FDA for human ingestion. However, the health effects of vaporizing or smoking these chemicals are not fully understood.
We’ll start off with vegetable glycerin and propylene glycol since it makes up the majority of your e-juice content. Both of which are used as a humectant (substance to preserve moisture) in everyday household items for food and cosmetic products.
VEGETABLE GLYCERIN (VG)
Vegetable glycerin (VG) or Glycerol is a clear and thick liquid typically derived from soybeans or palm trees. It can also be made from animal fat although less common.
PROPYLENE GLYCOL (PG)
Propylene Glycol is a colorless and odorless liquid derived from petroleum with a faintly sweet taste. PG has a syrupy texture but is runnier compared to vegetable glycerin.
FLAVORING
Flavoring concentrates in e-juices use a combination of natural and artificial flavoring to replicate the taste of a food or drink.
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