In a meta-analysis from 2016 (a large compilation of a variety of scientific studies) that looked at the effect of essential oils for pain relief, it was possible to see good effects of aromatherapy for pain control in most conditions when compared to placebo.

Among other things, massage with essential oils proved to have a good effect for the relief of perceived pain in chronic: back pain, neck pain and knee pain. Also good effect of relief of period pain was seen.

The oils used in these studies included Ginger, Eucalyptus and Lavender.