If a does not do the job, eliminate the built-up grime with a mild solution of water and a liquid detergent. Water can cause a white haze to appear on a lacquer or shellac finish, the identical haze that appears when a glass leaves a ring on a table. It’s shellac if the finish dries. It is probably a mixture of lacquer and shellac if it partially dissolves. Rub just a little lacquer thinner on an inconspicuous finished place if the finish does not impact. The
