Actually we do like people to swish oil in their mouths for 15-20 minutes. There’s some interesting research on it. It’s an ancient practice. Have a look at the Herbal cleanses lesson. :0)
I believe it was invented by ancient vegetarians who stopped eating animals and then also started feeling guilty about eating plants…so they just swished the salad dressing around in their mouths…until they went extinct.
Don't use herbs or combine herbs with medications or use them during lactation or pregnancy without talking with your healthcare provider.