Antioxidant
REYNOUTRIA SACHALINENSIS RHIZOME/ROOT EXTRACT
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Giant knotweed root extract — a source of resveratrol and emodin. Used for antioxidant skin conditioning. EFSA reviewed it as low acute toxicity, non-sensitizing, and not a known endocrine disruptor.
Function
Skin benefits
- Resveratrol and phenolic antioxidants
- Skin conditioning and hydration
- Low acute toxicity per EFSA review
- Documented antimicrobial activity
Known concerns
- Contains emodin (anthraquinone) — mild laxative oral effect, not a topical concern at use levels
- Variable composition across batches
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related antioxidants
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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.