Natural menthol crystal is a chemical agent. The natural menthol crystal system is extracted from the leaves and stems of peppermint. It is white crystals with molecular formula C10H20O. It is the main component of peppermint and peppermint essential oil. In the world, India is the main producer of natural mint. Both menthol and racemic menthol can be used as toothpaste; perfume; flavoring agents for beverages and candies. It is used as a stimulant in medicine, acting on the skin or mucous membranes, and has the effect of cooling and relieving itching; orally, it can be used as an expelling medicine for headaches and nose; pharynx; throat inflammation. Its esters are used in perfumes and medicines.