1. menthol and racemic menthol are used as odorants for toothpaste, perfume, beverages and sweets. In medicine, it is used as an irritant, acting on the skin or mucous membrane, and has the effect of cooling and relieving itching; in internal administration, it can be used as an anti wind medicine, for headache, nose, pharynx, laryngitis, etc. Its esters are used in perfumes and medicines.<br>2. It has the function of sterilization and antisepsis.
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