Peppermint oil has a 'cooling effect' and can be used for cough, cold, ulcers, and headaches, to increase local blood flow, and to stimulate the secretion of bile. Beneficial for intestinal and digestive complaints, such as relieving the symptoms of cholera and diarrhea, nausea, vomiting, and abdominal pain and aids with digestion, Irritable Bowel Syndrome, and bloating. May help with influenza, hysteria, neuralgia, sea-sickness, some fevers, and aid in the treatment of dermatitis, scabies, and burns. Muscular pains, cramps, arthritis, migraines, insomnia, shock and mental fogginess, may benefit. Commonly used in dental and mouth treatments. Beneficial in skin care to help improve dull and oily skin and scalp, treat dandruff and head lice, as well as itching and minor skin irritations.