Menthol crystals are known for their cooling and refreshing effects. In pharmaceuticals, these menthol crystals are included in topical treatments, inhalants, and cough syrups due to their pain-relieving and decongestant properties. In cosmetics, menthol crystals are added to facial cleansers, shaving creams, and hair products to create a cooling sensation and enhance the overall experience. They are also common in food and beverages like chewing gum, candies, and mint-flavored drinks for their characteristic minty taste and cooling effect. Furthermore, menthol crystals are used in tobacco products and in some industrial applications like insect repellents.