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Skin Conditioning

RHEUM UNDULATUM ROOT/STALK/STEM EXTRACT

CAS 90106-31-3 / 8016-55-5
60

Safety score · 0–100

Fine

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

Rhubarb (Rheum undulatum) root and stem extract — astringent and toning, contains anthraquinone compounds (emodin, rhein) that warrant cautious cosmetic use and good photo-stability.

Function

ASTRINGENTSKIN CONDITIONING - EMOLLIENTSKIN CONDITIONINGTONIC

Skin benefits

  • Astringent and toning effect
  • Mild skin-brightening from emodin/rhein

Known concerns

  • Anthraquinones can be photo-irritant
  • Potential staining
  • Limited modern cosmetic safety dossiers
  • Not for broken skin

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, so always read the physical product label and consult a healthcare professional for personal concerns.