Roger Brown, The Bass Coach, shares his method for using scents while saving money. That would work, but I still like dipping mine or spraying them with the attractant.
Most pro fishermen endorse a line of bait scents and use them in tournaments. If they did not work they would not waste their time using them. Since most of them use the same basics - salt, garlic or anise oil - any of them should work.
The Power Bait line of worms carries this a set further. The bait is made of processed fish products that are supposed to smell and taste like food to the fish. They stink to me, but the fish do seem to like them.
I especially like the worm dyes that also contain garlic like JJs Magic. I die my worm tails chartruese in almost all cases, and I like adding garlic at the same time. Either it helps make the fish bite, or it helps my confidence, which is almost as good.