Most advice about healing gums naturally stops in the same place: oil pull, floss more, try a salt rinse. Useful as far as it goes. But there is one traditional gum remedy that went considerably further than folk wisdom — it went into dental clinics and came out the other side of randomized controlled trials with numbers attached. That remedy is babool.
Babool — also spelled babul — is Acacia arabica, known in current botanical naming as Vachellia nilotica. It’s the thorny acacia whose twigs have been chewed as tooth-cleaning sticks across India, Pakistan, and East Africa for centuries. The tree weeps a resin that hardens into amber-colored tears, sold as babool gum rocks, and it belongs to the same botanical family that gives us gum arabic — the acacia fiber already sitting in your food supply as a thickener.
The folk pedigree isn’t the interesting part. The interesting part is that periodontists decided to test it.
What the trials actually found
In a triple-blind, placebo-controlled trial published in the Saudi Dental Journal, eighty patients with chronic periodontitis all received a professional scaling and root planing. Then half applied an Acacia arabica preparation to their gums twice daily for one minute, and half applied an identical placebo. Ninety days later, the researchers measured everything that matters clinically.
The acacia group came out ahead on all of it:
- Probing pocket depth — the measurement that defines how advanced gum disease is — dropped significantly further, with the strongest effect in moderate 4–6 mm sites.
- Clinical attachment level, the measure of how well gum tissue is still holding onto the tooth, showed a significant gain.
- Plaque scores improved by 58.6 percent, against 19.4 percent in the placebo group.
- Gingival inflammation improved by 43.1 percent, against 6.7 percent.
- No adverse events were recorded across ninety days of continuous use.
That wasn’t a one-off. An earlier crossover trial had already found significantly less plaque accumulation with Acacia arabica chewing gum than with a control gum, and laboratory work has tested the gum directly against the bacteria behind periodontal disease.
A 2024 review in Frontiers in Oral Health pulled together why any of this works, and the mechanism is the genuinely interesting piece. Acacia gum appears to interfere with quorum sensing — the chemical signaling bacteria use to coordinate with each other and organize into a biofilm. Its arabinogalactan fraction hinders production of the autoinducer molecules that Porphyromonas gingivalis, Fusobacterium nucleatum, and Aggregatibacter actinomycetemcomitans rely on to act as a group, and it suppresses virulence factors including the gingipain enzymes P. gingivalis uses to dismantle gum tissue.
That is a fundamentally different approach from a disinfectant. Chlorhexidine kills broadly, including the commensal species you actually want in your mouth. Acacia gum is a fermentable fiber — it feeds the beneficial bacteria and produces butyrate, which supports the mouth’s own antimicrobial defenses — while jamming the communication network of the harmful ones. It scrambles the signal rather than scorching the field.
Why bee propolis belongs in the same swish
Propolis is the resin honeybees gather from tree buds and use to seal and sterilize the hive. Applied to gums, it has an unusually strong clinical record — strong enough to be slightly startling.
A 2024 randomized crossover trial compared a 0.2% propolis mouthwash against 0.12% chlorhexidine, the prescription gold standard, across three 21-day phases. Propolis didn’t merely hold its own. At day 21 it had reduced plaque scores by 0.64 against chlorhexidine’s 0.41, and gingival inflammation by 0.66 against 0.39 — every comparison significant. And a 2021 systematic review with meta-analysis pooled the available trials and found propolis reduced probing pocket depth against placebo by an average of 0.67 mm, with no harmful effects reported in any included study.
Pairing the two makes sense mechanistically. Propolis brings direct antibacterial and anti-inflammatory action through its flavonoids and caffeic acid esters. Acacia gum works on the biofilm’s ability to organize and adhere in the first place. One goes after the bacteria; the other goes after their architecture.
The protocol
Sequence matters here. Oil pulling first lifts and carries away loose biofilm and gives the fat-soluble spice compounds their contact time. The babool swish then meets a cleaner surface.
First, oil pull. Swish a spoonful of the Daily Mouth-Pulling Blend — coconut oil with turmeric, black pepper, cinnamon, and clove — for ten to twenty minutes, then spit into the trash rather than the sink.
Then the babool swish. Take three or four babool gum rocks into the mouth and grind them between the teeth until they soften and dissolve into the saliva. Squeeze in a dropperful of bee propolis tincture — directly into the mouth, not premixed into anything. Swish the mixture along the gumline, giving extra time to anywhere that bleeds or feels sore. Spit, then rinse with warm water.
Twice daily. The full card is here: Babool & Propolis Gum Swish.
The almanac covers the oil pulling half of this in more depth in How does oil pulling work? and Ayurveda and oil pulling.
What natural gum care can and cannot do
This is where the almanac will not oversell, because the honest version is more useful than the hopeful one.
Gingivitis is genuinely reversible. Swollen, red, bleeding gums with no attachment loss yet can return to full health, and the trials above show acacia and propolis meaningfully speed that up.
Gum pockets can shrink — to a point. A pocket is deep partly because inflamed tissue is swollen and detached. Resolve the inflammation and the tissue firms up and re-adapts to the tooth, which is exactly the pocket-depth reduction those trials measured. But notice what every one of those studies had in common: the herbal treatment was an adjunct to scaling and root planing, never a replacement for it. Hardened calculus below the gumline cannot be dissolved by swishing. It is a mechanical problem with a mechanical solution, and nothing in a jar changes that.
Receding gums do not grow back. Gum tissue that has migrated down the root does not spontaneously return, and anyone promising otherwise is selling something. What natural care genuinely does is halt the recession — by removing the inflammation driving it — and firm up what remains. Covering an exposed root requires a graft or a pinhole procedure. Stopping the retreat is still a real victory; just don’t spend months waiting for regrowth that isn’t coming.
Bone loss is permanent without regenerative surgery. Which is an argument for starting early, not an argument for despair.
For other mouth troubles: oil of oregano
Different problem, different tool. When something is acutely infected rather than chronically inflamed, oregano oil is worth knowing about. Its dominant compound, carvacrol, makes up close to 60 percent of the essential oil, and in 2023 laboratory testing the oil inhibited Streptococcus mutans at very low concentrations and cut its biofilm formation by 80 to 90 percent at half the inhibitory dose.
It must be diluted. Undiluted oregano oil is caustic to the soft tissue of the mouth and will burn what it was meant to help — a drop or two in a full teaspoon of carrier oil is the ceiling, applied to the spot or swished briefly, never neat and never casually swallowed. Skip it during pregnancy, and skip it entirely if there’s a known allergy in the mint family. The almanac’s guide to what dilution percent actually means is worth reading first.
And an infection with facial swelling, fever, or a spreading ache is a dental emergency. Oregano oil is not the answer to that one. A dentist is.
A few honest cautions
Acacia gum is widely eaten as a food ingredient and is well tolerated; as a fermentable fiber, larger swallowed amounts can cause bloating in sensitive people. Propolis is a real allergen — anyone reactive to bee products, poplar, or balsam of Peru should patch-test on the inner arm before putting it on inflamed gum tissue.
Neither of these replaces a professional cleaning. And gums that bleed persistently deserve an actual periodontal exam with pocket measurements taken, if only so there’s a baseline to measure your improvement against. Numbers are the difference between believing something is working and knowing it.