- beauty
- cleaning
Extract of knotweed
CAS 84604-04-6
Concern score
Not assessed — no hazard data yet.
Extract of knotweed in plain language
On cosmetic ingredient lists it appears as “Polygonum aviculare extract”.
Also known as Polygonum aviculare extract · Knotgrass herb (polygonum aviculare l.) · Knotgrass · Polygoni avicularis herba ( polygonum aviculare l.) · Polygoni cuspidati rhizoma et radix · Polygonum aviculare top
Show all 17 names
Bian xu · Bianxu · Common knotgrass herb · Common knotgrass top · Erect knotgrass top · Knotweed top · Polygoni avicularis herba · Polygonum heterophyllum top · Polygonum monspeliense top · Prostrate knotgrass top · Yard knotweed top
Used in cosmetics as an emollient. Polygonum Aviculare Extract is an extract of the herb of the Knotweed, Polygonum aviculare L., Polygonaceae.
- Emollient
- Conditioner
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Extract of knotweed appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Cleaning
EUCosIngActivePolygonum Aviculare Extract is an extract of the herb of the Knotweed, Polygonum aviculare L., Polygonaceae
- Polygonum Aviculare Extract is an extract of the herb of the Knotweed, Polygonum aviculare L., PolygonaceaeSource →
USEPAcommercial use observedEPA CPDat observed this chemical in 51 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Softener and conditioner.
- EPA CPDat observed this chemical in 51 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Softener and conditioner.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as structurallydiverse.
- openFDA substance registry classifies this ingredient as structurallydiverse.Source →
Expert safety opinions
No expert opinion on file for Extract of knotweed. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for Extract of knotweed yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
Reference links (1)
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
Where it has been recorded
How often EPA CPDat has listed Extract of knotweed in a product composition. These are source records, not Greenveil catalog products.
Source records
51
Named organisations
6
Personal care
Typical roles
EmollientConditioner
Found in these products
Cosmetic and personal-care products that list Extract of knotweed are shown first. Their ingredient lists include Extract of knotweed; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
