When it comes to electronic cigarettes, there are two main types of e-liquids: propylene glycol (PG) and vegetable glycerin (VG). Both of these liquids have their own unique properties and uses. In this article, we'll be taking a closer look at PG and VG, what they are, how they are made, and what their uses are.
What Is Propylene Glycol?
Propylene glycol is a clear, colourless, and odourless liquid that is derived from propylene oxide. PG is used in a variety of products, including food additives, pharmaceuticals, and cosmetics.
How Is Propylene Glycol Produced?
Propylene glycol is produced by the chemical reaction of propylene oxide with water. The resulting product is a clear, colourless, and odourless liquid with a slightly sweet taste. It is miscible with water and has a wide range of applications in food and beverage manufacturing, cosmetics and pharmaceuticals, and as an antifreeze.
What Are the Uses of Propylene Glycol?
The main use of propylene glycol is as a food additive. It is used to keep food moist and to enhance flavour. It is also used as a solvent in food processing and as a preservative in some beverages. In cosmetics, propylene glycol is used as a moisture-carrying agent to increase the spreadability of makeup products. It is also used in some pharmaceuticals as a solubilising agent.
Industrially, propylene glycol is used as an antifreeze in refrigeration and cooling systems. It is also used as a heat-transfer fluid in solar power plants and as a hydraulic fluid in aircraft. Propylene glycol is sometimes used as a deicing agent for roads and sidewalks.
What Is Vegetable Glycerin?
Vegetable glycerin is a clear, odourless, and viscous liquid that is derived from vegetable oils. VG, much like PG, is used in a variety of products, including food, pharmaceuticals, and cosmetics.
How Is Vegetable Glycerin Produced?
Vegetable glycerin is produced by combining plant oils with alkalis. The oils are first heated and then mixed with the alkalis. This mixture is then placed in a glycerin still, where it is heated to evaporate the water and alcohol. The glycerin is then distilled and cooled to produce a clear, thick liquid.
What Are the Uses of Vegetable Glycerin?
Vegetable Glycerin is used in a variety of applications, including cosmetics, pharmaceuticals, and as a food additive.
Vegetable glycerin has a number of benefits that make it a popular ingredient in many products. It is a natural humectant, meaning it helps to keep moisture in the skin. This makes it an excellent ingredient for lotions, creams, and other skincare products. It also has emollient properties, meaning it can help to soften and soothe the skin.
Vegetable glycerin is also a popular ingredient in hair care products. It can help to add moisture and shine to the hair and can also help to tame frizz. It is also used in some styling products as it can help to hold styles in place.
As you can see, while PG and VG are used in so many other ways, they're also used as the main ingredients in vaping. Generally, PG is there to create the throat hit that so many people like, and VG is there to create the thick vapour and carry the flavour. Either way, balancing the two allows you to create the perfect vape juice, and with so many options in the market, you're bound to find a vape juice that has the perfect balance of PG and VG that fits your needs!
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