Tannins 150 grams

Tannins are a natural astringent polyphenolic substance found in plants such as oak . They are known for their pungent taste and are used medically to tighten tissues, stop bleeding, treat vaginal infections, and strengthen hair. They are also known for their antioxidant benefits and are used in industries such as leather tanning and ink manufacturing. They appear as solid balls on branches or fruits.