Question: what essential oils are good for bad backs?
Answer: Peppermint oil. Perhaps best-known for its menthol undertones, peppermint oil is one of nature's most potent analgesics. ... 
Wintergreen oil. ... 
Lemongrass oil. ... 
Ginger oil. ... 
Lavender oil. ... 
Eucalyptus oil. ... 
Roman and German chamomile oils. ... 
Rosemary oil.