Frontier Co-op Comfrey Root, Cut & Sifted, Organic 1 lb.1 lb.
The long, pervasive roots are more potent than the leaves but have higher levels of a constituent toxic to the liver. Use only on unbroken skin.
Safety Guideline: For external use only. Do not apply to broken or abraded skin. Not to be used during pregnancy or while nursing. Not recommended for long-term use.