mint/oregano: itch, gas(drink)
eucalyptus:antibiotic, insects, awakening
tea tree:mouth ulcer,skin fungal
parsnip root tea(drink):colic, gas,headache,diarehhe,hives,scabies
lavendar: nervous headage, fatigue, insect bites.
the wonder of oil is, if you use it wrong, does not matter, if you use it right, helps a lot. Just try and feel.
I have problem sleeping, mybe the smell of essential oils keep me up. need to put them in garage.