What it is
Polygonum Aviculare Extract is derived from Polygonum aviculare, commonly known as knotgrass or prostrate knotweed. The plant contains polyphenols and flavonoids, and the extract is used in cosmetics as a skin-conditioning and soothing agent that can also offer antioxidant support. In sunscreens it is typically included as a botanical add-in to complement the conditioning profile.
Safety & warnings
As a botanical extract it is generally well tolerated at cosmetic use levels. As with any plant extract, sensitization is possible in predisposed individuals, so those with reactive skin may wish to patch test. It is not associated with notable comedogenicity.
Origin & sourcing
Natural; extracted from the aerial parts of the knotgrass plant (Polygonum aviculare).
History
Knotgrass has a long history of use in traditional herbal practices in Europe and Asia, and the extract was later adopted in cosmetics for its conditioning and antioxidant-associated constituents.
Questions everyone asks
What is knotgrass extract used for in skincare?
It is used as a skin-conditioning and soothing botanical that also contributes antioxidant constituents such as polyphenols and flavonoids.
Is Polygonum Aviculare Extract natural?
Yes. It is a plant-derived extract obtained from the common knotgrass plant.