“The one thing that I cannot live without when I'm traveling is a small container of tea tree oil,” the now-38-year-old royal revealed. “It's not the most glamorous thing, but if you get a cut, a ...

Dr Mezher said: 'Swallowing tea tree oil can be highly toxic due to its potent chemical composition, which includes terpinen-4-ol, cineole, and other volatile compounds.' Terpinen-4-ol is the most ...