There are several species of the mentha arvensis. It is one of the oldest documented medicinal herbs. The health benefits of peppermint oil as well as peppermint oil uses have been documented back to 1,000 BC and have been found in several Egyptian pyramids.
Peppermint Japanese is known for its high menthol content, and menthol crystals sometimes form right on the leaves. Because of the very high menthol content of this oil, it may crystalize. If it does, place the bottle in a very hot water bath until it returns to its liquid state, then gently agitate before use.
Some of the most common peppermint oil uses include:
Reduces stomach aches
Soothe digestive issues
Freshens bad breath
Improves mental focus
Clears respiratory tract
Releases tight muscles
Cautions: All essential oils should be diluted before use. For external use only. May cause skin irritation in some individuals; a skin test is recommended prior to use. Avoid contact with eyes. Keep out of the reach of children