VeriMomIs polygonum cuspidatum root extract safe during pregnancy?
Polygonum cuspidatum root extract is a botanical source of resveratrol (and related stilbenes). Resveratrol is a phytoestrogen with demonstrated estrogen receptor agonist/partial‑agonist activity in vitro and in vivo, giving a class/mechanistic concern (m=2) but there is no EU Annex II ban or confirmed harmonised CLP H360/H350/H340 for the extract — thus hazard is scored as 1. Topical/percutaneous absorption of resveratrol is low-to-measurable, so exposure is scored 1. (Sources: PubMed reviews/studies on resveratrol ER activity; in vitro/in vivo skin permeation studies; CosIng/CIR/Cosmetic lists show extract as a cosmetic ingredient, not banned.)
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Frequently asked questions
- Is polygonum cuspidatum root extract safe during pregnancy?
- Polygonum cuspidatum root extract is a botanical source of resveratrol (and related stilbenes). Resveratrol is a phytoestrogen with demonstrated estrogen receptor agonist/partial‑agonist activity in vitro and in vivo, giving a class/mechanistic concern (m=2) but there is no EU Annex II ban or confirmed harmonised CLP H360/H350/H340 for the extract — thus hazard is scored as 1. Topical/percutaneous absorption of resveratrol is low-to-measurable, so exposure is scored 1. (Sources: PubMed reviews/studies on resveratrol ER activity; in vitro/in vivo skin permeation studies; CosIng/CIR/Cosmetic lists show extract as a cosmetic ingredient, not banned.)
- Is polygonum cuspidatum root extract safe while breastfeeding?
- Same rationale as pregnancy: phytoestrogenic activity of resveratrol provides a mechanistic concern but no harmonised CMR or EU cosmetic ban; topical exposure is low but measurable. Breastfeeding-specific transfer data for topical resveratrol/extract are lacking, so exposure is treated as low (e=1).
- Is polygonum cuspidatum root extract safe for baby skin?
- Hazard and mechanism same as adults (no infant‑specific evidence to change h or m). Because infants 0–3 yrs have an immature skin barrier and higher surface‑area‑to‑weight, exposure is increased by +1 (adult e=1 → infant e=2) when the ingredient/formulation allows measurable skin absorption (supported by dermal permeation studies for resveratrol).
- How does VeriMom score polygonum cuspidatum root extract?
- VeriMom scores polygonum cuspidatum root extract at 60/100 (medium risk) based on EU CosIng status, ECHA hazard classifications, and peer-reviewed PubMed studies. Our scoring pipeline is fully transparent.
- What are pregnancy-safe alternatives to polygonum cuspidatum root extract?
- See our curated list of pregnancy-safe alternatives to polygonum cuspidatum root extract based on similar function and a no-known-risks safety band.
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Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice. Safety scores are based on publicly available data and may not reflect all risks. Always consult your healthcare provider before using any product during pregnancy or breastfeeding.