via wisegeek
Vegetable glycerin is also known as vegetable glycerol. It is a carbohydrate that is usually derived from plant oils. It is used as a sweetener and as an ingredient in a number of cosmetic products. Vegetable glycerin is also used in place of alcohol to extract botanicals.
Vegetable glycerin is also used as a substitute for alcohol, in making botanical extracts. The advantage of this is that people who do not want to be exposed to alcohol can still have access to the botanical products. The disadvantage is that the resulting products have a much shorter shelf life.
Its solubility in alcohol and water had led to great utility in the manufacturing of products. Glycerin is used in a large number of cosmetic and household products, such as toothpastes andshampoo. It is also a component of glycerin soap, which is often used by people with sensitive skin. This soap acts as moisturizer to prevent the skin from drying out. For this reason, glycerinlotion is also popular.
While glycerin can be made as a by-product of soap that is made from animal fats, it can also be made from plants. The glycerol backbone is part of the basic structure of many lipids. Vegetable glycerin is made from the oils and fats of a plant-based ingredient, generally coconut or palm oil. The oil is heated to a high temperature under pressure with water. The glycerin backbone splits off from the fatty acids, and is absorbed by the water, from which it is then isolated and distilled.
In short, v.g. to increase moisture and serves as an alternative to alcohol for styling and building the hair. When first researching aout the natural hair care regimen on youtube, I noticed a lot of healthy hair vloggers sprayed water and glycerin on the hair before the leave in while styling. So I decided I would look into what exactly the product was. My bottle is in the mail and on thee way so I will post once i use to share the results of its notorious "magic."
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