Herbarium of the Ancients — Detailed GuideFR · EN
Soapwort
Saponaria officinalis
Please read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. In case of doubt, pregnancy, breastfeeding, ongoing treatment, or use in children, seek advice before use.
Enhanced precautions for this plant: The saponins contained in the plant may irritate the digestive mucous membranes at high doses: nausea, vomiting, or diarrhea are possible in case of excessive internal use. Internal use is not recommended for pregnant or breastfeeding women, as well as for young children, in the absence of sufficient safety data. Do not exceed small quantities and space out internal uses; in case of doubt, seek the advice of a healthcare professional or qualified herbalist. Avoid prolonged contact with eyes, as saponin foam may be irritating to ocular mucous membranes.
Infusion — Leaves
Leaf infusion for external use
Infuse a small handful of dried leaves in hot water for about ten minutes, then strain. Use this cooled foaming water as a lotion for the skin or scalp. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.
Decoction — Leaves
Decoction for delicate laundry
Gently boil a handful of leaves in a liter of water for fifteen minutes, allow to cool, then strain before using this water to wash small pieces of delicate textiles. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.
Where to find it
Obtaining the plant
Soapwort can be found wild in hedgerows, embankments, and roadsides throughout Europe, as well as cultivated in some herbalist gardens; dried leaves are sometimes available from specialized herbalists.
Harvest season
When to harvest
Leaves are best harvested between spring and summer, before flowering, in dry weather.
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