Category:
Chiral Intermediates
CAS NO:
68916-39-2
Standard:
USP,
white fine powder
Pure Natural Hamamelis Virginiana Extract is a standardized botanical ingredient derived from witch hazel bark or leaves via ethanol extraction. It serves as a potent astringent rich in tannins and flavonoids. CAS No: 84650-92-0 (specific fraction).
Store in cool, dry conditions below 25°C to preserve polyphenol stability. Avoid ingestion; external use only. Conduct patch testing prior to bulk formulation due to potential sensitization risks in sensitive skin populations.