Menthol impurities refer to any unwanted substances or compounds that may be present in menthol products. These impurities can arise from various sources, such as the manufacturing process, storage conditions, or even the raw materials used. Some common examples of menthol impurities include residual solvents, heavy metals, and other organic compounds that can affect the quality and safety of the product. It is essential to identify and control these impurities to ensure the purity and effectiveness of menthol products.
