Just to thicken the mud a bit, I'm looking a Park Tool Polylube grease. Their MSDS lists both naphenic and paraffinic.
DISTILLATES, PETROLEUM, HYDROTREATED HEAVY NAPHTHENIC 64742-52-5 30-50 %
DISTILLATES, PETROLEUM, SOLVENT-REFINED HEAVY PARAFFINIC 64741-88-4 10-30 %