Yes, both DS, with Lyme et al and DD, a ballet dancer, have used it successfully on joints as a warm compress (heating pad over flannel soaked in oil with plastic wrap in between).
Parent of 15yo DS w/ CDC+ Lyme test 11/15, late stage Lyme + mycoplasma, bartonella, babesia. Treating with antibiotics/anti-malerials + Vit D, C, Vit B-12 injections, multivit, milk thistle, dandelion, parsley, cilantro, Burbur/Pinella, L acetyl carnitine, charcoal, mag etc.
Website I started: ParentsofLymeKids.com
aka Lyme Disease 101 for Parents