"Pure nicotine refers to nicotine that has been extracted from tobacco plants and purified to remove impurities, additives, and other substances. It is typically obtained through a process of extraction, purification, and distillation. Pure nicotine is often used in various industries, including pharmaceuticals, vaping, research, and agriculture. In vaping, it is commonly used as a key ingredient in e-liquids to provide the desired nicotine content. In pharmaceuticals, pure nicotine may be used in nicotine replacement therapy products to help individuals quit smoking. Due to its highly concentrated nature, pure nicotine should be handled with caution and used responsibly."