# Extract of knotweed

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid801018444
Categories: beauty, cleaning
Functions: Emollient, Conditioner
Identifier: DTXSID801018444

> Extract of knotweed: Used in cosmetics as an emollient. Polygonum Aviculare Extract is an extract of the herb of the Knotweed, Polygonum aviculare L., Polygonaceae. EPA CPDat observed this chemical in 51 composition records across product categories including Personal care. Compiled from 5 published data sources.

## Safety assessment

- Chemical concern: not yet assessed
- Is it a concern? We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
- Rationale: EPA CPDat observed this chemical in 51 composition records across product categories including Personal care.

## Regulatory status

- EU: Active — Polygonum Aviculare Extract is an extract of the herb of the Knotweed, Polygonum aviculare L., Polygonaceae
- US: commercial use observed — 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.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as structurallydiverse.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/79004
- EPA Chemical and Products Database (updated September 2013): https://www.ewg.org/skindeep/product/563310/Absolute_Care_-_Natural_Solutions_Safe_%26_Active_Day_Cream_%28old_formulation%29/
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:ZCD6009IUF

_Assessed by Greenveil._