The hang community has suggested all sorts of anticorrosive products for the treasured instrument, from B as in bee’s wax to W as in lubricants for weapons. The magic word which sages had always suggested was Biofa hard oil. However, the hard oil era is coming to an end. Since 2009 PANArt is recommending a new cleaning and anticorrosive fluid.
Read the article in the Hang Library:
A new cleaning and anticorrosion fluid