Palo santo is a wild tree native to Central and South America, known for its rich, woodsy scent when burned. Its name translates from Spanish as “holy wood,” a reference to its centuries-long use in spiritual ceremonies and traditional medicine across Latin American cultures. Today it’s widely sold as incense sticks, essential oil, and wood chips, popular in wellness and aromatherapy circles.
The Tree Itself
Palo santo’s scientific name is Bursera graveolens, and it belongs to the Burseraceae family, the same plant family as frankincense and myrrh. The tree grows across a wide swath of the Americas, from central Mexico down through Central America and into Colombia, Ecuador, Peru, and northwest Venezuela. It also grows in the Galápagos Islands. The trees are relatively small, rarely exceeding about 30 feet, and thrive in dry tropical forests.
What makes palo santo unusual is that the wood develops its signature fragrance only after the tree dies naturally and the fallen wood cures on the forest floor for several years. During this slow aging process, the oils inside the heartwood concentrate and transform, producing the complex, slightly sweet aroma the wood is prized for. Freshly cut green wood smells nothing like the finished product.
What It Smells and Feels Like
Burning a stick of palo santo produces a warm, resinous smoke with notes of citrus, mint, and pine. The scent is lighter and less smoky than traditional incense. You light one end, let it burn for about 30 seconds, then blow out the flame and let the smoldering tip release its fragrant smoke. A single stick can be relit many times before it’s used up.
The citrusy quality isn’t a coincidence. Chemical analysis of palo santo essential oil shows it’s dominated by limonene, the same compound that gives lemons and oranges their smell, making up about 26.5% of the oil’s composition. The rest is a complex mix of dozens of other aromatic compounds that together create its distinctive layered scent.
Traditional and Ceremonial Uses
Indigenous communities across South America have used palo santo for centuries in spiritual rituals, burning it to cleanse spaces, ward off negative energy, and prepare for prayer or meditation. Curanderos (traditional healers) in Peru and Ecuador have long used it as a remedy for pain, inflammation, and stress. The wood was also burned as a natural insect repellent, a practice that continues in rural areas today.
These traditions are the foundation of palo santo’s modern popularity. The same basic practice of lighting a stick to scent a room or set an intention has migrated into yoga studios, meditation spaces, and homes around the world.
What Science Says About Its Benefits
The Burseraceae plant family has demonstrated anti-inflammatory, antibacterial, and antifungal properties in laboratory studies. Essential oils from trees in this family have shown activity against both common bacteria and fungi in controlled settings. One study found that oil from a closely related Bursera species inhibited the growth of several bacterial strains, including ones that cause pneumonia and intestinal infections, and was effective against multiple types of fungus.
That said, most of this research has been done in lab dishes, not in human clinical trials. The pleasant aroma may help with relaxation and stress reduction through simple aromatherapy principles (scents you find calming do tend to lower perceived stress), but claims about palo santo curing specific diseases or conditions aren’t backed by strong clinical evidence. Its traditional uses are well documented; its medical applications in a modern sense remain largely unproven.
Conservation and Ethical Sourcing
A common concern is whether palo santo is endangered. The IUCN Red List, the global authority on species conservation, classifies Bursera graveolens as “Least Concern,” meaning the species is not currently threatened with extinction. Independent extinction risk models confirm this assessment with high confidence.
That doesn’t mean sourcing is without issues. The surge in global demand has raised concerns about illegal harvesting, where living trees are cut down rather than waiting for naturally fallen wood to cure. This practice is both ecologically harmful and produces inferior products, since green wood lacks the aromatic oils that develop during the years-long curing process.
Peru regulates palo santo harvesting through its National Forest Service and Wildlife agency (SERFOR), which certifies that wood has been collected from naturally fallen trees. Reputable sellers work with licensed cooperatives and can show certification. If you’re buying palo santo, look for products that mention SERFOR certification or specify that the wood was hand-harvested from naturally fallen trees. Suspiciously cheap bundles sold without any sourcing information are more likely to come from unsustainable operations.
How People Use It Today
Palo santo is sold in three main forms. Whole wood sticks are the most traditional: you light them, blow out the flame, and let the smoke drift through a room. Essential oil is used in diffusers, added to carrier oils for topical aromatherapy, or blended into candles and soaps. Resin, less commonly available, burns like traditional incense on a charcoal disc.
Most people use it simply because they enjoy the scent. It’s become a popular alternative to synthetic air fresheners and mass-produced incense, appealing to people who prefer a natural, single-ingredient product. Others incorporate it into meditation or mindfulness routines, using the ritual of lighting the stick as a cue to slow down and focus. Whether you approach it as a spiritual tool or just a pleasant way to make your living room smell good, the practical experience is the same: a few seconds of flame, a thin curl of smoke, and a warm citrus-and-pine fragrance that lingers for minutes after the ember goes out.