Derived from vegetable oil
Vegetable Glycerin is a colorless honey like liquid made by combining water and a fat that is derived from vegetable oil.
It is known as a humectant as it draws moisture to the skin keeping it moist and soft for hours. It is able to do this by drawing moisture from the air. Used in making skin creams and liquids as it improves it's spreadability.
Vegetable Glycerin will blend easily with water or alcohol based products but not with oil based. So be sure to mix your essential oils with an emulsifier prior to adding to the Vegetable Glycerin and then add to the rest of your mixture.