China-Oel is only intended for use by adults over 18 years of age, regardless of whether it is used internally or externally. In case of inhalation use, it is permitted for use in adolescents over 12 years of age.
Do not use peppermint oil internally if you are allergic to peppermint oil and/or menthol, or if you suffer from liver disease, gastric acid deficiency, biliary inflammation, gallstones or other biliary conditions.