White Oak Bark 5:1, PE is a powdered botanical extract derived from Quercus alba, traditionally used* to support skin wellness and tissue tone.* This 5:1 extract provides a concentrated source of the plant’s naturally occurring tannins, making it suitable for topical formulations and oral care products.
Created through Bio-Botanica’s proprietary extraction process, White Oak Bark 5:1, PE delivers a high-potency format ideal for powders, capsules, and personal care products seeking astringent or skin-toning support.*
*The traditional uses described are not validated in multiple, well‑controlled, clinical scientific studies. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Latin Name: Quercus alba
Plant Family: Fagaceae
Native To: Eastern and Central North America
Standardized: No
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