Educational information, not medical advice — ask your doctor or midwife.
Black poplar is a tall European tree, Populus nigra. The part used in folk medicine is the sticky leaf bud, picked in late winter and early spring.
The buds smell strongly of balsam and resin. They are turned into ointments, infused oils, tinctures and bud extracts. In France the bud extract is sold as peuplier noir.
Most traditional use is on the skin, for piles, sore skin and aching joints. Human evidence for any of this is thin. Long folk use is not proof that it works, and not proof that it is safe.
Poplar buds contain salicin. This is a natural cousin of aspirin, and the body turns it into salicylic acid.
That gives a plausible reason for the old uses in pain and swelling. But the amount in a cream is small, and no good human trials have tested it.
In lab tests, poplar bud extracts slow some inflammation signals in cells. In test tubes they also slow some bacteria and fungi. Whether this happens on human skin is not established.
Bees collect poplar resin to make propolis. Much lab work on propolis uses the same poplar compounds. That work does not show that bud ointment helps people.
Black poplar is used far more on the skin than by mouth.
Ointment or salve. Bud resin blended into fat or wax. This is the classic poplar bud ointment of old pharmacy books.
Infused oil. Buds steeped in a plain oil, then strained.
Tincture. An alcohol extract. Usually dabbed on skin, less often taken in drops.
Bud macerate, sold as gemmotherapy. A glycerine and alcohol extract of fresh buds, labelled peuplier noir.
Dried buds. Used in older folk practice for teas and skin washes.
Propolis is a separate product. Bees make it partly from poplar resin, but it is not a bud extract.
European folk healers used poplar buds for centuries. The ointment was a stock item in old pharmacies.
It was rubbed on piles, chapped skin, minor burns, bruises and stiff joints. Bark and bud teas were taken for fever and joint pain, much as willow bark was.
The buds were also sold under the name Balm of Gilead, a label shared by several balsam-scented poplars.
Germany's herbal expert committee allowed external use of poplar bud for piles and minor skin injuries. That decision rested mainly on long use, not on trials.
Stop using it and get urgent help if your face, lips or tongue swell, or you struggle to breathe. Call emergency services.
See a doctor the same week if a rash spreads, blisters or weeps, or if a wound turns red, hot or oozes pus.
See a doctor if piles bleed, hurt badly, or do not settle in two weeks. Bleeding from the back passage always needs checking.
In the UK and EU, black poplar is sold in creams, cosmetics and food supplements, not as a licensed medicine. In the United States it is treated as a supplement or cosmetic ingredient. Products may not claim to treat disease.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
One email with the summary. We'll also send a short weekly evidence update — unsubscribe any time.