Japanese mint oil is used for various digestive complaints including poor appetite, gas, indigestion, nausea, diarrhea, gallstones, liver problems, and irritable bowel syndrome (IBS).
It is also used for respiratory tract problems including common cold, cough, bronchitis, and sore mouth and throat.
Other uses include treatment of fever, pain, spasms, headaches, toothaches, cramps, earache, tumors, sores, cancer, heart problems, breathing difficulties, tendency toward infection, and sensitivity to weather changes.
Some people use Japanese mint as a stimulant, a germ-killer, or a pain-killer.
Japanese mint is applied directly to the skin for muscle pain, nerve pain, itchiness, and hives.
When inhaled, Japanese mint is used for swelling of the lining of the upper respiratory tract. Japanese mint oil contains up to 95% menthol.
In manufacturing, Japanese mint is also used as a fragrance in toothpaste, mouthwash, gargles, soaps, detergents, creams, lotions, and perfumes. Commercially it is used as a source of menthol.
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