Darbla, I tried unscented lotion (I also make my own lotions so I always have unscented stuff on hand JIC). It seems to work a pretty well with EGG, whose scent I love but also is a fast fader. Hmmm...3 hours now and so far so good.
For that matter, there is a product called "Citra-Shine" available in hair care section at most drugstores...it is dimethicone, and would work much the same way as D5 in a pinch. Most detanglers, shine additives for hair contain some form of silicone. I use them for my horse's manes, and as blister preventatives under saddles...