The Effect of Peppermint Oil on Nausea, Vomiting and Retching in Cancer Patients Undergoing Chemotherapy

"The patients in the intervention group received routine medical treatment program and were asked to put one drop of peppermint oil upon lips following chemotherapy administration. Before peppermint oil application; the researcher theoretically and practically provided a training of 8-10 minutes about the use of peppermint oil and the patients were requested to apply this oil three times a day according to Oil Practice Guide (See Fig. 2) in the morning (09:00), at noon (15:00) and in the evening (21:00).~Aromatherapy essential oil used was a mixture of English peppermint (Mentha piperita; 3%) and sweet almond oil (30 ml)"