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POLYGONUM CUSPIDATUM ROOT EXTRACELLULAR VESICLES

71

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Plant vesicles from Japanese knotweed root delivering resveratrol and emodin with strong antioxidant and anti-inflammatory skin benefits.

Polygonum Cuspidatum (Fallopia japonica) Root Extracellular Vesicles are secreted by cultured adventitious root cells. The vesicles carry resveratrol (trans-3,4',5-trihydroxystilbene), emodin, and polydatin as the primary active payload. Resveratrol is a stilbenoid that activates SIRT1 and Nrf2 pathways, upregulating endogenous antioxidant enzymes. Emodin is an anthraquinone with anti-inflammatory and antimicrobial properties. The combination is highly bioactive but emodin's quinone structure raises phototoxicity concerns when applied before UV exposure.

Skin benefits

  • Strong antioxidant via Nrf2 activation
  • Anti-inflammatory
  • Anti-aging
  • Antimicrobial

Known concerns

  • Emodin is a phototoxic quinone — may increase UV sensitivity
  • Possible photosensitisation risk

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.