INCI · plant-extract · CIR review pending · used in 1 products
Reynoutria Root Extract
Polygonum Cuspidatum Root Extract is an extract derived from the roots of Japanese knotweed (Polygonum cuspidatum), a plant belonging to the Polygonaceae family. It is listed under the INCI system with the primary functional classification of antioxidant. The extract is used across a wide range of skincare product types including serums, toners, moisturizers, and eye treatments.
Evidence level
weakEWG score
—Comedogenic
—Category
plant-extract● Benefits
The source identifies this ingredient primarily as an antioxidant, suggesting it may help protect the skin from oxidative stress. No additional specific skin benefits are described in the source beyond this antioxidant function.
antioxidant
● Cautions
