Jojoba oil as a base could be interesting to test, although it is called an oil in reality it is a wax which is liquid at room temperature. Jojoba base with a few drops of scented oil added could make a good keris oil.
http://www.deepdyve.com/lp/emerald-p...oba-RISbYdkb8P
The above study shows anti corrosion effect on Iron of Jojoba oil