i can make homemade kahlua but need pure glycerin. i went to a drug store and they had it but is it the right kind to use for it
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Ideally I believe you want vegetable glycerin, I bought some at Whole Foods; it was in the cosmetics department but the bottle has directions for cooking use. What does the label say?
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All glycerin is is the same chemical, but if your bottle says "for external use only," it may not be as chemically pure as you'd like. Drug store glycerin is often fine for consumption (it's where I've bought it), but check the label.