You can do a Google search for discussions on this topic. Everybody has an opinion! From Elderly Music Co. website (not where I got mine, but I thought the blurb was helpful):
Works on all instruments. Contains no wax, no abrasives, no silicones, and no synthetics. A very safe polish.
Jan Potts, Lexington, KY
"Use what talents you possess; the woods would be very silent if no birds sang there except those that sang best." Henry Van Dyke