POLYGONUM MULTIFLORUM ADVENTITIOUS ROOT is graded A (Safe) by Expert·ING, based on COSING regulatory data.
POLYGONUM MULTIFLORUM ADVENTITIOUS ROOT
Safety grade: A
Derived from the roots of Chinese knotweed, this plant extract is used in skincare products to help nourish and condition hair and skin. It's valued in cosmetics for its traditional use in supporting healthy-looking complexion and promoting hair vitality.
Graded using: COSING.
Last verified: June 9, 2026