Peppermint oil cools emotions and dissipates anger, hysteria, and nervousness. It energizes and relieves mental fatigue. It diminishes depression. Peppermint oil increases alertness and improves concentration. It awakens the central nervous system, stimulates the brain, and clarifies the thought process.
CAUTION: Peppermint oil may irritate sensitive skin. It can stimulate menstrual flow and stop the flow of milk, so women who are pregnant or nursing should avoid it. If you are using both peppermint oil and homeopathic remedy, allow at least one hour between the two.