Hey All, I own a Fender Jazz Fretless 4 string. Some years ago I had the fretboard given the Jaco treatment (a couple of layers of epoxy for brighter tone). It's been a while since I played this particular bass, and I suppose due to time and seasonal changes, there are parts of the neck that seem to be a bit dried out. I notice especially towards the nut there seems to be a bit of flaky fragments that come off if I scrape it lightly with my fingernail. What I'd like to know - is there an oil or some sort of treatment I can rub on it to get rid of the dryness? I used to use linseed oil on some of my other basses and guitars, but they didn't have fretboards coated with epoxy. If anyone could suggest something it would be appreciated. Especially if there is some kind of household product I can use (as opposed to a more expensive store-bought product).