POLYGONUM CUSPIDATUM EXTRACT is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.
POLYGONUM CUSPIDATUM EXTRACT
Japanese Knotweed Extract
Safety grade: A
Japanese knotweed extract is derived from a plant native to East Asia. It's rich in resveratrol, a powerful antioxidant that helps protect and nourish the skin.
This ingredient conditions and softens the skin while providing antioxidant protection to help maintain a healthy, youthful complexion.
Graded using: COSING, FDA.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A