99% nicotine refers to a highly concentrated form of nicotine solution where the nicotine content is 99% pure. This level of purity is often sought after in industries such as pharmaceuticals, where precise dosage and quality standards are essential. In the context of nicotine products, 99% nicotine may be used in the manufacturing of e-liquids for vaping devices or in nicotine replacement therapies. Due to its high potency, proper handling and safety precautions are necessary when working with 99% nicotine solutions to prevent accidental exposure or ingestion. It's important to adhere to industry regulations and guidelines to ensure the safe production and use of products containing 99% nicotine.