Palo Santo Sticks: What They Are and How to Use Them

What a palo santo stick actually is

A palo santo stick is a piece of Bursera graveolens, a tree of the dry forests of the Pacific coast of South America — Peru and Ecuador above all. It is not carved from a log that was cut down. It is split from a tree that fell on its own and then spent years lying on the forest floor.

That detail is not sentiment, it is chemistry. The aroma comes from resin, and the resin only concentrates in the heartwood after the tree has died and slowly dried out. Wood from a living tree that was felled is close to odourless: it smells of wood, not of palo santo. So the rule in Peru that only naturally fallen, aged wood may be collected is not a constraint a producer works around — it describes the only material that does what you want.

This also explains the price. You are not paying for wood. You are paying for the three or four years the wood spent on the ground turning into something that smells like that.

One warning before you buy: three different trees are called palo santo

Bursera graveolens is the Peruvian and Ecuadorian one, the one burned as incense. It is classified Least Concern by the IUCN and is not listed in CITES.

Bulnesia sarmientoi, from the Gran Chaco, is a hardwood also called palo santo, and it is in CITES Appendix II. Several species of Guaiacum, from the Caribbean and Central America, carry the name too and are also CITES-listed. When an article tells you palo santo is endangered, it is almost always describing one of those, not this one.

It matters practically as well as legally: those are different woods and they do not smell the same. If you buy something labelled palo santo that smells resinous but heavy and medicinal rather than sweet and citric, you may not have bought Bursera graveolens at all.

What it smells like

Sweet, resinous, distinctly citric, with a soft pine edge and something faintly like vanilla underneath. The unburnt stick already smells: hold a good one to your nose and you should get the resin without lighting anything. That is the first quality test and it costs nothing.

Burning changes it. The first seconds are sharp and lemony as the surface resin goes up. Then it settles into the warmer, sweeter body most people mean when they describe the smell. As the ember dies it turns woodier and plainer. A stick that goes straight to burnt-wood smell without that sweet middle is low in resin.

The smoke is mild compared with most commercial incense, and it does not cling to fabric for days the way fragrance-dipped sticks do.

How to light one properly

This is where most instructions are vague, and it is the reason a lot of people conclude their palo santo does not work. It usually does; it was just put out too early.

1. 1Hold the stick at roughly 45 degrees with the tip pointing down into the flame. A lighter, a match or a candle all work.
2. 2Keep it there for 20 to 30 seconds. Longer than feels necessary. The tip should be genuinely alight, not smoking faintly.
3. 3Blow the flame out. What you want is an ember, not a fire.
4. 4Check for the orange glow at the tip. If there is no glow, it will go out in seconds — light it again for longer.
5. 5Let it smoulder in a heat-proof holder, or walk it around the room. It will produce smoke for two to four minutes.
6. 6When it stops, stand it in the holder and leave it. You have not used up the stick. You have used about a centimetre of it.

How long a stick lasts

A single stick is normally relit ten to twenty times before it is spent, depending on thickness and how deep you let it burn each time. Used a few times a week, one stick lasts most people a month or more.

A standard 100 g pack holds roughly twelve to eighteen sticks depending on how thick they were cut. In practice that is several months of regular use — which is why the price per pack looks higher than incense and the price per use does not.

If you find yourself burning through sticks quickly, the wood is probably low in resin. Resinous wood holds an ember; dry, pale, light wood burns away like kindling.

How to tell a good stick from a bad one

Weight and density

Good palo santo is noticeably heavy for its size. Resin is dense. A stick that feels like balsa is young wood or a different species.

The feel

Run a thumbnail across the grain. Resinous wood is faintly oily and may leave a trace of scent on your fingers. Dry, chalky, dusty wood will not.

The colour and the grain

Pale cream to light brown, with darker resin channels visible along the grain. Uniform, flat-coloured sticks with no visible resin lines are a warning sign.

The smell before you light it

It should already smell sweet and citric in the bag. If it smells of nothing until you burn it, or smells strongly of perfume, it has probably been sprayed.

How it behaves in the flame

Good wood catches easily and holds the ember. Wood that needs relighting every few seconds has nothing in it to burn.

The price, in both directions

Very cheap palo santo is cheap for a reason. But expensive does not prove anything either — plenty of sellers charge premium prices for ordinary wood with good photography. The tests above are more reliable than the price tag.

What people use it for — and what can honestly be said about it

The traditional use is documented and real. In Andean and Amazonian practice the wood is burned to cleanse a space, to open or close a ceremony, and as an offering. That has been going on for a very long time and it is the reason the wood is called holy wood in the first place. It is also, straightforwardly, an insect repellent in the dry forest, which is one of the older practical uses.

The everyday modern use is simpler: people burn it because they like the smell and because a short ritual — light it, walk the room, put it down — marks a change of state at the end of a working day or the start of a meditation. Whether that does anything is a question about ritual and attention, not about the wood.

Then there is the third category, and we are going to be plain about it: we make no health claims for palo santo. You will find pages attributing antibacterial, anti-inflammatory and anti-anxiety effects to it. There is no clinical evidence that burning this wood treats or prevents anything, and a supplier telling you otherwise is selling, not informing.

Smoke is smoke: use it sensibly

Burning any plant material — incense, wood, a candle — raises the concentration of fine particulates in a closed room. That is well documented in indoor air quality research and it is as true of palo santo as of anything else. It does not make the wood dangerous; it makes ventilation sensible.

Open a window or a door while you burn it. Do not burn it in a small, sealed room, and do not burn several sticks at once because the first one seemed weak. If someone in the house has asthma or another respiratory condition, be considerably more careful. Keep it away from infants.

If you keep birds, do not burn it in the same room at all, or ideally not in the same home while they are inside. Birds' respiratory systems are unusually sensitive to airborne particles, and this applies to all smoke and aerosols, not only to palo santo.

The obvious ones too: use a heat-proof holder or dish, never leave a smouldering stick unattended, and make sure the ember is properly out before you go to bed.

Sticks, cones, incense or oil: which to choose

Sticks (the raw wood)

The purest form and the most controllable. Two to four minutes of smoke at a time, relightable, nothing added. Best if you want the actual smell of the wood and short sessions.

Hand-rolled incense sticks

Palo santo sawdust bound and rolled, so it is still the wood burning, just in a shape that runs for thirty to forty minutes on its own. Best for scenting a room you are already sitting in.

Cones

Hotter and faster: the same material in fifteen to twenty minutes, so denser smoke. Best for clearing a space quickly before people arrive.

Essential oil

Steam distilled from the same wood. No smoke at all, which matters if smoke is not an option, and highly concentrated — it is diluted heavily in anything applied to skin.

How to store it

In a closed container or its original bag, away from direct sunlight and away from heat. Resin is what you are protecting: light and warmth drive off the volatile compounds that carry the smell.

Stored properly the wood does not really expire. It has already spent years drying in a forest; a few more in a drawer will not hurt it. If anything, well-kept sticks stay good for years.

Do not store it next to anything strongly scented. Palo santo picks up other smells more readily than people expect.