Menthol

Peppermint: Benefits, Uses, Preparation and Side Effects IMPORTANT: Peppermint is generally safe when consumed in ordinary amounts, as a tea or culinary herb. However, peppermint essential oil is highly concentrated and should NEVER be applied undiluted to the skin or taken internally without guidance. Peppermint can worsen gastroesophageal reflux (heartburn) in susceptible people because it relaxes the esophageal sphincter. Peppermint oil should not be given to infants and young children (menthol can trigger laryngeal spasm). People with gallstones, hiatal hernia, those taking medications metabolized by the liver, or women who are pregnant or breastfeeding should talk to their doctor before using peppermint in therapeutic amounts. Peppermint is not a substitute for medical treatment. ...

Peppermint Essential Oil: Benefits, Uses and How to Use It IMPORTANT: Peppermint essential oil is highly concentrated and must NEVER be used undiluted on the skin or taken internally without clear guidance. Do not apply it to the face, chest or under the nose of babies and children under 6, because menthol can trigger a reflex spasm of the larynx and serious breathing problems. Pregnant or breastfeeding women, and people with severe acid reflux, hiatal hernia, gallstones, epilepsy or an allergy to mint should avoid it or consult a doctor first. The oil near the eyes or on mucous membranes causes intense burning. This article is for information only and does not replace the advice of a doctor or pharmacist. ...