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A popular myth has grown around the use of WD-40 as a joint lubricant and pain reliever for arthritis. The liquid is sprayed on the painful joint much as one would fix a squeaky mechanical hinge.
Tip: Remove Pine Sap with WD40. This is a handy tip I learned while cleaning up pine limbs after a recent ice storm. If you get pine sap on your skin you can spray a little WD40 on it and rub it gently. Then wash with soap and water and it will come off completely. I wish I had discovered this sooner as in the past it has been such a pain to finally get it all off. By Vickie from Dawson Springs, KY.