99 Percent Liquid Glycerine is a substance that is found in nature and is used as a medication. It is widely used to treat constipation, improve hydration and athletic performance, and treat some skin problems. It's also used to treat diseases including meningitis, stroke, obesity, ear infections, and others. It basically draws water into the intestines, softening stools as well as alleviating constipation. Moreover, 99 Percent Liquid Glycerine draws water in the blood, allowing it to flow freely.