The therapeutic properties of peppermint oil are analgesic, anesthetic, antiseptic, antigalactagogue, antiphlogistic, antispasmodic, astringent, carminative, cephalic, cholagogue, cordial, decongestant, emmenagogue, expectorant, febrifuge, hepatic, nervine, stimulant, stomachic, sudorific, vasoconstrictor and vermifuge.
Peppermint oil is excellent for mental fatigue and depression, refreshing the spirit and stimulating mental agility and improving concentration. It helps for apathy, shock, headache, migraine, nervous stress, vertigo and faintness and in general respiratory disorders, as well as dry coughs, sinus congestion, asthma, bronchitis, pneumonia, tuberculosis and cholera. For the digestive system, peppermint oil is effective for a range of ailments, as it stimulates the gall bladder and the secretion of bile. It is used for colic, cramps, dyspepsia, spastic colon, flatulence and nausea and can relieve pain in cases of toothache, aching feet, rheumatism, neuralgia, muscular pains and painful periods. On the skin, peppermint oil is used to relieve skin irritation and itchiness and also helps to reduce skin redness, where inflammation is present. It is used for dermatitis, acne, ringworm, scabies and pruritus and also relieves itching, sunburn and inflammation of the skin, while at the same time having a cooling action.