Menthol crystals are used in a variety of products for their refreshing and cooling properties. In cosmetics, they are commonly used in products such as lip balms, lotions, and shampoos to provide a cooling sensation on the skin or scalp. In pharmaceuticals, menthol is often used as a decongestant in cough and cold medicines, as well as a topical analgesic for pain relief. In the food and beverage industry, menthol is used as a flavoring agent in gum, candy, and other products.