To alleviate the pain of a headache, peppermint can be applied in a diluted form directly on the forehead. Inhaling peppermint oil can eliminate the effects of nausea and motion sickness, because of its relaxing and soothing effects. Its cooling and anti-inflammatory properties are part of the reason why it is so successful at relieving headache symptoms.
Like most other essential oils, peppermint is able to provide relief from stress, depression and mental exhaustion due to its refreshing nature. It is also effective against anxiety and restlessness. Also it can help to stimulate mental activity, clearing the mind