[Eugen]

I really like Renaissance wax. Its clearish and easy to apply and to wipe off any excess. Unlike other presevative products, it is ph neutral. Only a little is necessary so while expensive a can goes a long way. Think of Kroil oil. That's another great product that is expensive, but also indispensable and a can lasts a long time. Lastly, one can use this wax on metal, leather and also wood.