Propylene glycol is a carbon-based, small molecule that belongs to the “alcohol” family, along with the more familiar compounds “isopropyl (rubbing alcohol)” and “ethanol (drinking alcohol)”. Mostly, however, propylene glycol comes across as an effective solvent and is a common ingredient in cosmetics, pharmaceuticals, and deodorant sticks.Propylene Glycol is a basic chemical which is processed in large quantities all over the world. 更多
