Peppermint essential oil has been widely used over the years. It provides a wonderful cooling sensation and has significant antimicrobial, antiviral, antioxidant, anti-tumor and anti-allergenic properties. Peppermint oil offers a relaxation effect on gastrointestinal (GI) tissue, analgesic and anesthetic effects in the central and peripheral nervous system, immunomodulating actions and chemopreventive potential. Human studies on the GI, respiratory tract and analgesic effects of peppermint oil and its constituents have been reported. Several clinical trials examining the effects of peppermint oil on irritable bowel syndrome (IBS) symptoms have been conducted. Peppermint oil relieve muscle and joint pain, provide sinus care and other respiratory benefits, provide seasonal allergy relief, increase energy and improve exercise performance, alleviate headaches, improve IBS symptoms, freshen breath and support oral health, promote hair growth and reduce dandruff, relieve itchiness, repel bugs naturally, reduce nausea, improve colic symptoms, improve skin health, provide sunburn protection and relief.