Stevia rebaudiana is a natural herb that grows in Asia and South America. Add it to your lip balm formula as a natural sweetner. As stevia is 50 times plus sweeter than sugar, very little is required. It mixes extremly well in your oil solution without lumps. This is 100% pure concentrated extract of Stevia. South American natives have used Stevia for centuries; though it has just recently become popular in the Canada. Usage: 0.5% - 1% in lip balm formulations