What Is the Healthiest, Most Natural Way to Treat Wood?
Wood is one of the few materials we still bring into our homes almost exactly as it comes from the earth.
And yet, the moment we try to “protect” it, we often coat it in substances that are anything but natural.
So the question matters more than it first appears:
What is the healthiest, most natural way to treat wood, especially indoors?
To answer it properly, we need to look beyond marketing terms and return to first principles.
Why wood needs treatment at all
Raw wood is alive in a quiet way.
It breathes, expands, contracts, absorbs moisture, and responds to its environment.
A good wood treatment should:
Protect against moisture and wear
Nourish the fibres rather than seal them shut
Allow the wood to age gracefully
Be safe for the people living around it
Historically, humans solved this problem long before petrochemicals existed.
They used plants.
The problem with modern “protective” finishes
Many contemporary wood finishes are derived from petroleum. They rely on:
Synthetic resins
Plastic-based sealants
Chemical dryers
Solvents that evaporate into the air
While these finishes can create a hard, uniform surface, they often do so by encasing the wood rather than working with it.
Indoors, this can matter.
These products may off-gas harmful volatile organic compounds (VOCs) for months or even years, subtly affecting air quality in the spaces where we live, sleep, and breathe.
Protection, in this context, comes at a cost.
Plant oils: the original wood finish
Long before industrial chemistry, wood was protected using natural oils extracted from seeds and plants.
These oils work differently:
They penetrate the wood rather than sit on top
They nourish fibres instead of sealing them
They allow moisture regulation rather than trapping it
The most commonly discussed plant oils include:
Linseed (flax)
Tung
Walnut
Hemp
Each has its own characteristics, but they all share a common logic: support the material, don’t dominate it.
Why hemp oil is quietly exceptional
Hemp oil deserves special attention.
It is:
Naturally penetrating
Flexible once cured
Resistant to cracking and flaking
Free from the historical toxicity associated with some traditional finishes
Derived from a fast-growing, regenerative crop
Rather than creating a plastic-like barrier, hemp oil integrates with the wood, strengthening it while preserving its tactile, breathable nature.
For indoor furniture, tools, toys, and surfaces, this balance is critical.
For wood workers it retains the colour of the wood and doesn’t discolour over time.
Health isn’t just about ingredients — it’s about behaviour
A genuinely healthy wood finish is not only non-toxic at the point of application.
It should also:
Age without releasing harmful substances
Be maintainable without aggressive stripping
Encourage repair rather than replacement
Fit into a slower, more respectful relationship with materials
Natural oils invite care.
They don’t promise perfection, they promise continuity.
A quieter approach to protection
Some modern makers are returning to this older understanding, refining plant oils without industrialising them beyond recognition.
Brands like LOXKIN, for example, work with hemp oil as a primary ingredient, not as a novelty, but as a considered alternative to petroleum-based finishes. The aim isn’t to out-perform plastic at being plastic, but to let wood remain wood.
That distinction matters.
So, what is the healthiest way to treat wood?
In simple terms:
Use finishes derived from plants, not fossil fuels
Avoid products that seal wood completely shut
Choose treatments that prioritise indoor air quality
Accept patina, wear, and time as part of the material’s story
The healthiest approach is not about domination or control
It’s about alignment, with the material, with the space, and with the people who live alongside it.
Wood has looked after us for thousands of years.
The least we can do is return the favour with care.