WD-40. Enough to saturate, and a clean cotton cloth. Spray to coat, let sit for a few, rub off. I’ve also had good luck applying the WD-40 directly to the agitating cloth. Wash with soap and water for foodgrade reuse. Works on glass and most metals. Think windshield sap, but not on the paint job. I’ve used it to clean thrift store sticker residue off of anything they can be stuck to. Plastic toys, non-cloth book covers. You can always test an inconspicuous spot if you’re unsure. Be Well
