Add 1-2 oz per gallon of wine. Add 1-2 oz per quart of liqueur. 99.7% pure, food grade, Kosher.
Glycerin is one byproduct of alcoholic fermentation. As an additive to wine it has been used to increase the sense of body and perceived sweetness. Glycerin is the component of wine that produces the “legs” on the inside of a wine glass.