Glycerine, also known as glycerin and glycerol, (see Wikipedia article: ) is a liquid widely reputed to be a critical bubble juice ingredient. While it can be useful in some cases, it is not nearly as useful as people generally believe. Even within the bubbling community, its value is often overstated. People often have the impression that glycerine will turn detergent and water into a professional-quality and friendly bubble juice with which it is easy to blow bubbles. That is generally not the case. A is usually needed to turn water and detergent into a bubble-friendly mix.