Every axe maker has an opinion on handle finish, and half of those opinions are inherited without much testing. The honest answer is that finishes trade three things against each other: grip in a sweaty hand, protection against moisture, and how the wood looks and feels over time. Nothing does all three perfectly.
Here is how the four common approaches actually behave after a full season of real use.
Raw linseed oil (BLO or true raw)
Raw linseed and boiled linseed both penetrate deeply and cure inside the wood fibers. That's the appeal — you're not building a film on top of the handle, you're turning the outer millimeter into something more water-resistant.
Wiped on thin, allowed to cure between coats, and buffed off any surface residue, linseed produces a warm amber tone and a slightly tacky grip that most people like. Slather it on, let it pool, and you get the opposite: a sticky handle that never quite dries and darkens over time. Thin, patient, and wiped down beats thick and fast every time.
BLO cures faster because of added driers but is technically not food-safe. On an axe handle nobody cares. Raw linseed takes weeks to fully cure but has a purer smell and finish.
Pure tung oil
Tung oil penetrates like linseed but cures harder and more water-resistant. It's the best all-around option if you split your axes between wet fall trips and dry winter work. Expect three to five thin coats over a couple of weeks, buffed between each with fine steel wool or a gray Scotch-Brite pad.
The finish looks slightly cooler in tone than linseed — less amber, more honey — and feels dry to the touch rather than tacky. The downside is cost and cure time. A quart of real pure tung oil (not "tung oil finish," which is thinned varnish) runs several times what a bottle of BLO does.
Beeswax and beeswax-oil blends
Straight beeswax rubbed into a warm handle gives a beautiful matte finish and excellent grip in dry weather. It's not much of a moisture barrier on its own, and if the handle gets warm in a truck cab the wax can go tacky and pick up sawdust.
A 1:3 blend of beeswax to boiled linseed or tung oil, warmed until it pours, is a much better balance. The oil penetrates, the wax seals the surface, and the handle picks up a soft sheen that feels alive rather than plastic. This is what most heirloom-quality axe makers ship on their handles for a reason.
Bare wood
Some traditionalists leave handles bare and just wipe them down with a dry cloth after use. This gives the best pure-wood grip, especially in gloves, but demands a work life that keeps the axe indoors, dry, and used often enough that skin oils do the finishing over months.
Bare wood also shows every stain and check. If that patina is what you want, great. If you like the handle looking clean, plan on a finish.
A practical choice
For most people, a warm blend of boiled linseed and beeswax is hard to beat. Reapply once or twice a season — after a wet trip, before winter storage — and the handle will outlast the head.