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.
- beauty
Polygonum cuspidatum root extract
Concern score
Not assessed — no hazard data yet.
Polygonum cuspidatum root extract in plain language
Used in cosmetics as an antioxidant. Polygonum Cuspidatum Root Extract is an extract of the roots of the Japanese Knotweed, Polygonum cuspidatum, Polygonaceae.
- Antioxidant
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
What we know about this ingredient
Canonical ingredient record built from 1 public-source records.
Regulation
No restrictions found. Polygonum cuspidatum root extract appears in these published regulatory listings.
EUCosIngActivePolygonum Cuspidatum Root Extract is an extract of the roots of the Japanese Knotweed, Polygonum cuspidatum, Polygonaceae
- Polygonum Cuspidatum Root Extract is an extract of the roots of the Japanese Knotweed, Polygonum cuspidatum, PolygonaceaeSource →
Expert safety opinions
No expert opinion on file for Polygonum cuspidatum root extract. 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 Polygonum cuspidatum root extract yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Found in these products
Cosmetic and personal-care products that list Polygonum cuspidatum root extract are shown first. Their ingredient lists include Polygonum cuspidatum root extract; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
- Boob tape remover
- Advanced Night Micro Cleansing BalmEstée Lauder
- Advanced Night Micro Cleansing FoamEstée Lauder
- soap
- Solid Cleansing OilErborian
- Repair & Carehappybrush · Zahnpasten
- TandpastaNon Food Products
- Cooling compress hydrogel eye padsEveline Cosmetics
- Mask with glitterSB
- Sweet Lollipop Face Sheet MaskSence · Face
- Black Cleansing OilErborian
- Mask pour le visageJoypixels
- Face sheet maskSence
- Morning CompleteActivatedYou · Dietary Supplements
- MORNING COMPLETEACTIVATEDYOU · Dietary Supplements
