Food Industry: It can be used as a flavoring agent for toothpaste, chewing gum, beverages, candies, etc. Adding an appropriate amount of menthol to food can give the product a cool taste and a unique flavor. Cosmetics Field: When added to cosmetics such as toothpaste, shampoo, body wash, and skin - care products, it can bring a cool feeling to users and has a certain antibacterial and anti - inflammatory effect. Medical Field: In medicine, it is used as a stimulant. When it acts on the skin or mucous membrane, it has a cooling and antipruritic effect. Taken orally, it can be used for headache and inflammation of the nose, pharynx and larynx. Menthol is often contained in common cold medicines, painkillers, oral - care products and other.